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Earth Watching: 1993 - 20207 April 2020 - This article highlights some of the images featured during the history of the Earth Watching project, which has now ended after 27 years. 
Serra da Mesa Dam, Brazil21 February 2020 - This image of the Serra da Mesa Dam, Brazil was acquired by the copernicus Sentinel-2 satellite on 30 Octber 2019. 
Rion-Antirion Bridge, Greece12 February 2020 - This comparison uses imagery acquired by Sentinel-2 and Landsat-7, with a time difference of 20 years to show the Rion Antirion bridge, Greece. 
Taal Volcano, Philippines30 January 2020 - This weeks images of Taal Volcano were acquired by the Copernicus Sentinel-2 satellite on 23 January, just 11 days after its eruption. 
Crimean Bridge, Crimea23 January 2020 - The Crimean Bridge is shown in this Copernicus Sentinel-2 image comparison. The images show the bridge before and after it was engineered to add a rail line. 
Philadelphia, USA17 January 2020 - This Copernicus Sentinel-2 comparison shows the city of Philadelphia, Pennsylvania, USA. 
Wildfires in Australia16 January 2020 - Wildfires have been burning across Australia since October causing widespread devastation. In this weeks article we have two image comparisons of Kangaroo Island and Wollemi National Park. 
Saint Petersburg, Russia18 December 2019 - The city of Saint Petersburg is shown in this Copernicus Sentinel-2 image comparison. The images depict the city in natural and false colour bands. 
Porto Alegre, Brazil10 December 2019 - This comparison of images from the Copernicus Sentinel-2 satellite shows the city of Porto Alegre in southern Brazil. 
Istanbul, Turkey9 December 2019 - This weeks comparison uses Landsat-7 and Sentinel-2 imagery to show the urban changes in the city of Istanbul, Turkey. 
Marib Dam, Yemen4 December 2019 - This image acquired by Copernicus Sentinel-2, shows the area of Marib and the Marib Dam. It is the ancient capital of the kingdom of Saba and the most important archaeological site in Yemen. 
Washington, D.C., United States29 November 2019 - The capital of the United States of America is shown in this Copernicus Sentinel-2 image comparison. The images show Washington, D.C. in natural and false colour bands. 
New South Wales, Australia21 November 2019 - New South Wales is featured in these images acquired on 12 November 2019 by the Sentinel-2 satellite, which show large wildfires affecting the area. 
Mount Fuji, Japan08 November 2019 - This week's image captured by Copernicus Sentinel-2 on 8 May 2019, shows Mount Fuji, the highest volcano in Japan. 
Fires in Santa Rosa, California30 October 2019 - This Copernicus Sentinel-2 image acquired on 27 October 2019, shows the north of Santa Rosa, California, and the large fires that are currently burning there. 
Vancouver, Canada25 October 2019 - The city of Vancouver is shown in this Copernicus Sentinel-2 image. 
Typhoon Hagibis, JapanUpdated: 17 October 2019 - These images, acquired on 10, 11 and 12 October 2019 by the Copernicus Sentinel-3A satellite, show typhoon Hagibis tracking across the Pacific towards Japan. 
Liverpool, England4 October 2019 - This week's image from the Copernicus Sentinel-2 Satellite, shows the city of Liverpool with a combination of natural and false colour bands. 
Tigris-Euphrates River System27 September 2019 - This image captured by the Copernicus Sentinel–2 satellite in September 2019, shows the waters of the Tigris and Euphrates mix with the salty waters of the sea. 
Las Vegas, Nevada, USA20 September 2019 - This week, our comparison of images, acquired from the Landsat 5 and Copernicus Sentinel-2 satellites, show the city of Las Vegas, Nevada, USA. 
Sydney, Australia12 September 2019 - This week the Copernicus Sentinel-2 mission takes us over the city of Sydney, the state capital of New South Wales and the most populous city in Australia and Oceania. 
Hurricane Dorian, Bahamas3 September 2019 - Hurricane Dorian is featured in this satellite image comparison, which uses Sentinel-2 images to highlight the storm as it travelled towards the Bahamas. 
Valencia, Spain29 August 2019 - The city of Valencia, in Spain, is featured in this satellite image comparison. Landsat-7 and Copernicus Sentinel-2 images were used to show how this port city has developed since 2000. 
Gran Canaria Wildfires21 August 2019 - This weeks comparison uses Sentinel-2 images in true and false colour, to highlight the fires in Gran Canaria. 
Izmir, Turkey27 June 2019 - This Copernicus Sentinel-2 comparison shows the city of Izmir, on the Aegean coast of Turkey. 
Melbourne, Australia21 June 2019 - This image comaprison uses imagery from the Sentinel-2 and Landsat 5 satellites, to show Melbourne, Australia. 
Amalfi Coast, Italy13 June 2019 - This weeks Earth Watching comparison uses Sentinel-2 imagery in true and false colour to show Italy's Amalfi Coast. 
Lisbon, Portugal7 June 2019 - This weeks Sentinel-2 image comparison shows Lisbon, the capital cityof Portugal, and the Tagus River. 
Djibouti City29 April 2019 - This weeks Earth Watching comparison uses Sentinel-2 and Landsat-5 imagery, dated 20 years apart, to show the development of Djibouti City. 
Easter Island17 April 2019 - Easter Island is featured in this Copernicus Sentinel-2 image comparison. The island is depicted in natural and false colour imagery in order to demonstrate the multispectral capabilities of the Sentinel-2 mission. 
Mont Saint-Michel, France15 April 2019 - Mont Saint-Michel in France is featured in this Sentinel-2 image comparison. The images demonstrate the multispectral capabilities of Sentinel-2, showing natural and false-colour views of the location. 
L'Aquila Italy 201910 April 2019 - This week, our Copernicus Sentinel-2 image comparison covers the city of L'Aquila in the Abruzzese Apennines, Italy. 
Cape Town, South Africa03 April 2019 - This weeks image comparison uses imagery from the Coperncius Sentinel-2 and Landsat-5 satellite to highlight urban change in Cape Town, South Africa. 
Cyclone Idai, Mozambique20 March 2019 - These images captured by the Copernicus Sentinel-1 and Sentinel-3 Satellites, were acquired over the Province of Sofala, central Mozambique. The imagery shows Cyclone Idai as it approaches and makes landfall in Mozambique. 
Venice lagoon, Italy15 March 2019 - This weeks image comparison takes us over the Venice lagoon, Italy. The Copernicus Sentinel-2 images are processed in natural color (Bands 4,3,2), and in false color (Bands 8,4,3). 
Athens, Greece06 March 2019 - This weeks comparison uses Copernicus Sentinel-2 and Landsat 5 satellite images captured 34 years apart, to highlight urban change in Athens. 
Lake Assal, Djibouti26 February 2019 - This weeks comparison uses Sentinel-2 and Landsat 5 satellite images captured 20 years apart, to highlight changes in Lake Assal, Djibouti. 
Snow in Trentino-Alto Adige, Italy15 February 2019 - This Sentinel-2 comparison shows heavy snowfall in the Trentino-Alto Adige region of Italy in early February 2019. The images show the situation before and after the snowfall. 
Tunis, Tunisia12 February 2019 - This weeks Earth Watching comparison uses Sentinel-2 imagery in true and false colour to show the urbanisation of Tunis, Tunisia. 
Pearl Harbor, Hawaii06 February 2019 - This image comparison uses Copernicus Sentinel-2 imagery to show Pearl Harbor, Hawaii, using false and true colour imagery. 
Chicago, USA04 February 2019 - A polar vortex brought temperatures of -40C to the City of Chicago, turning Lake Michigan to solid ice, this week's comparison uses images from the Copernicus Sentinel-2 satellite captured before and after the event. 
Phlegraean Fields, Italy24 January 2019 - The Phlegraean Fields, Italy are the focal point of these Copernicus Sentinel-2 image comparisons, which show the area in 2017 and 2019. 
Krakatoa Volcano, Indonesia22 January 2019 - This weeks image comparison uses imagery from the Copernicus Sentinel-2 satellite to show the Krakatoa Volcano before and after its latest eruption in December 2018. 
Rovaniemi, Finland20 December 2018 - This weeks images from the Coperncius Sentinel-2 satellite, show the village of Rovaniemi, Finland and were captured in September 2017 and March 2018. 
Icebergs A-68 and B-46 in Antarctica14 December 2018 - Proba-V data was used to track the evolution of the A-68 and B-46 icebergs in the Antarctic Sea. The large icebergs broke off from the Larsen C ice shelf and Pine Island Glacier, respectively, in 2017 and 2018. 
Geoga Bridge, South Korea05 December 2018 - This weeks image comparison uses Lsndsat and Sentinel imagery to view the island of Geoje in South Korea, and in particular the city of Pusan and the Geoga Bridge project. 
Fires in Sacramento, California22 November 2018 - These image comparisons using imagery from the Landsat 8 OLI and Copernicus Sentinel-2 satellites show the fires north of Sacramento in November 2018. 
California Fires15 November 2018 - This week's image comparisons use Copernicus Sentinel-2 imagery to show the large fires that have spread through the state of California (Malibu, Sacramento and Thousand Oaks). 
Niagara Falls12 November 2018 - The Niagara Falls are the focal point of this Landsat image comparison, which show the falls in 1992 and in 2017. 
Havana, Cuba31 October 2018 - Havana, the capital and largest city of Cuba, is featured in this Copernicus Sentinel image comparison. Sentinel-1, -2, and -3 imagery are used to obtain different views of the city and island, demonstrating the variety in how these satellites observe the Earth. 
La Spezia, Italy26 October 2018 - This weeks Earth Watching comparison shows La Spezia, Italy. Landsat 5 and 8 imagery have been used to highlight the changes in urbanisation during the last 28 years. 
Casablanca, Morocco18 October 2018 - This weeks image comparison focuses on the city of Casablanca, Morocco. Landsat 5 and 8 imagery have been used to highlight the changes in urbanisation during the last 13 years. 
Palu, Indonesia11 October 2018 - These images acquired by the Copernicus Sentinel-2 satellite, were acquired over the city of Palu, before and after the strong earthquake and tsunami that destroyed parts of the city in September 2018. 
Fires in Pisa, Italy04 October 2018 - Hundreds of people have been affected by fires in the hills of Tuscany since 24 September. These image comparisons from Landsat 8 and Sentinel-2 show the situation at Pisa, using natural and false colour imagery to detect the affected areas. 
Morandi Bridge, Genoa, Italy25 September 2018 - This image comparison uses Sentinel-2 images to examine the collapse of the Morandi Bridge in Genoa, Italy on 14 August 2018. The natural and false colour imagery was acquired before and after the bridge collapsed. 
Hong Kong-Zhuhai-Macau Bridge20 September 2018 - These images acquired by the Landsat 5 and 8 satellites and Sentinel-2, show construction of the new Hong Kong-Zhuhai-Macau Bridge which aims to connect three major cities on the Pearl River Estuary in China. 
Karachi, Pakistan13 September 2018 - This weeks Earth Watching comparison shows the city of Karachi, Pakistan and its Arabian Sea coastline. Landsat 5 and 8 imagery have been used to highlight the changes in urbanisation during the last 29 years. 
Kuala Lumpur, Malaysia07 August 2018 - This comparision of images taken in 2018 by the Sentinel-1 and Sentinel-2 satellite, shows the city of Kuala Lumpur, Malaysia. 
Mati, Greece02 August 2018 - This week's Earth Watching comparison uses Sentinel-2 images in true and false colour to show the before and after affects of wildfires in Mati, Greece. 
Nairobi, Kenya19 July 2018 - Nairobi, the capital city of Kenya, is featured in this Sentinel comparison. Nairobi is demonstrated using Sentinel-1 and -2 imagery to emphasise the difference between the radar and optical images the satellites provide. 
Mount Etna, Italy13 July 2018 - This image comparison features the Mount Etna Volcano in Sicily, Italy. The Copernicus Sentinel-2 is utilised to capture the state of Mount Etna Volcano, using natural and false colour imagery. 
Saemangeum, South Korea29 June 2018 - These image comparisons feature the state of Saemangeum Seawall in South Korea. The Landsat-4, Landsat-8 and the Copernicus Sentinel-2 are utilised to capture the developmenta around the Saemangeum Seawall from 1989 to 2018, using natural and false colour imagery. 
Berlin, Germany21 June 2018 - Berlin, the capital city of Germany, is featured in this Sentinel comparison. Berlin is demonstrated using Sentinel-1 and -2 imagery to emphasise the difference between the radar and optical images the satellites provide. 
Kīlauea Volcano, Hawaii30 May 2018 - Kīlauea Volcano is located on Hawaii's Big Island and has been active for decades. Landsat 8 was used to monitor the state of the volcano during the latest eruption in May. 
Beirut, Lebanon17 May 2018 - This weeks Earth Watching comparison shows the city of Beirut, Lebanon and its Mediterranian coastline. Sentinel-1 and 2 imagery is used here to emphasise the difference between the radar and optical images the satellites provide. 
Damascus, Syria11 May 2018 - These image comparisons from the Landsat-5, -8 and Copernicus Sentinel-2 satellites feature the capital of Syrian Arab Republic - Damascus and show that this city has undergone significant developmental change since 1987. 
Los Angeles, California30 April 2018 - Los Angeles, the most populous city in the state of California, is featured in this Sentinel comparison. Los Angeles is shown using Sentinel-1 and -2 imagery to emphasise the difference between the radar and optical images the satellites provide. 
Lake Mead in Las Vegas, Nevada19 April 2018 - Lake Mead is featured in this Landsat comparison. Using images acquired by the Landsat 5 and 8 satellites 27 years apart, the comparison shows that Lake Mead has undergone significant shrinkage since 1991. 
Aral Sea, Kazakhstan12 April 2018 - The Aral Sea is featured in this Landsat comparison. Using images acquired by the Landsat 7 and 8 satellites 18 years apart, the comparison shows the Aral Sea has undergone significant shrinkage since 2000. 
Floods in Boliva23 March 2018 - Floods struck Bolivia in recent weeks, following prolonged periods of torrential rain. Sentinel-1B was used to monitor the flood situation over Santa Ana del Yacuma and Trinidad before and after the flood. 
Ushuaia, Argentina15 March 2018 - Sentinel-1 and -2 show the southernmost city in Argentina, Ushuaia - also known as the "End of the World" - in this image comparison, which examines the city with optical and radar instruments. 
Snow in Italy08 March 2018 - Parts of Italy experienced heavy snowfall in February, and the Sentinel-2 mission captured a view of the aftermath. The image comparisons show how Arezzo, San Marino and Bologna looked before and after the snow. 
Copenhagen, Denmark23 February 2018 - Copenhagen, the capital city of Denmark is featured in this Sentinel comparison. In this image comparison, the Copenhagen is shown using the Sentinel-1 and -2 satellites to emphasise the difference between the radar and optical imagery the Sentinels provide. 
Adam's Bridge09 February 2018 - Adam's Bridge is featured in this Landsat image comparison. Once a land bridge connecting India and Sri Lanka, it was destroyed by a cyclone, only to re-emerge as a series of islands centuries later. These Landsat 5 and 8 images show how the former bridge has changed since 2006. 
Dubai, United Arab Emirates02 February 2018 -The city of Dubai in the United Arab Emirates is featured in this Landsat comparison. Using images acquired by the Landsat 5 and 8 satellites 26 years apart, the comparison shows Dubai has undergone significant growth since 1991. 
Diavik Diamond Mine26 January 2018 - These image comparisons show the Diavik Diamond Mine in the Northwest Territories of Canada. The Landsat 5 and 8 satellites are used to examine the growth of the mines from 2009 to 2017 using natural, infrared, and false colour imagery. 
Kansai International Airport, Osaka, Japan11 January 2018 - The Kansai International Airport of Osaka, Japan is featured in this Sentinel comparison. In this image comparison, the airport is shown using the Sentinel-1 and -2 satellites to emphasise the difference between the radar and optical imagery the Sentinels provide. 
Venice, Italy21 December 2017 - This Sentinel image comparison features Venice, the famous "City of Bridges" in Italy. The comparison uses Sentinel-1 and -2 images to highlight the different applications the Copernicus Sentinels provide for urban monitoring. 
Montecito Fires, California18 December 2017 - A large forest fire is raging in Montecito County in California. Known as the Thomas Fire, it has affected more than a thousand buildings and firefighters are working to extinguish the flames. Natural and false-colour Landsat 8 imagery was used to compare the area before and after the fires began; demonstrating the scale of the fire in the first week of December. 
Monfalcone, Italy01 December 2017 - These Landsat-8 and Sentinel-2 images show Monfalcone in Italy, to commemorate the launch of the Seaside, the largest Italian cruise ship ever built. The vessel was launched on 29 November, and these images show the Seaside and its sister ship in drydock at Monfalcone in different resolutions. 
Marseille, France23 November 2017 - Marseille, the capital city of Bouches-du-Rhône department, is pictured in this Landsat image comparison. These Landsat 5 and 8 images show that Marseille has undergone significant growth since 1984. 
Barcelona, Spain13 November 2017 - Barcelona, the capital city of Catalonia, is pictured in this Landsat image comparison. These Landsat 5 and 8 images show that Barcelona has undergone significant growth since 1984. 
Tallinn, Estonia03 November 2017 - European Space Week is being held at Tallinn in Estonia from 03-09 November. In this image comparison, Tallin is shown using the Sentinel-2 and -1 satellites to emphasize the difference between the optical and radar imagery. 
Istanbul, Turkey26 October 2017 - The historic city of Istanbul is featured in this Landsat comparison. Using images acquired by the Landsat 5 and 8 satellites 31 years apart, the comparison shows how much this Turkish city has grown since 1986. 
Fires in Spain20 Oct 2017 - This Landsat-8 image comparison, acquired on 14 October 2017, shows wildfires North-East of Vigo in Spain. A combination of natural and false colour imagery is used to show how Vigo forest has been affected by the fires. 
Sydney, Australia06 Oct 2017 - Sydney, the capital of New South Wales, Australia, is featured in this Landsat comparison. This Landsat-7 and -8 image comparison illustrates the growth of this city since 2009. 
Seoul, South Korea29 September 2017 - The capital city of South Korea is featured in this Landsat comparison. The Landsat 4 and 8 images demonstrate the large urban development to Seoul since 1989. 
Havana, Cuba22 Sept 2017 - This Landsat-5 and -8 image comparison focuses on the capital city of Cuba, Havana and the Landsat-8 image acquired in 2017 demonstrates that Havana has not changed significantly since 1998. 
Fires in Majella National Park, Italy14 September 2017 - Wildfires have been burning in Majella National Park, Italy, since 20 August. Sentinel-2 was used to view the situation before and after the fires started, using false colour imagery to show the area affected by the fires. 
Amalfi Coast fires in Italy31 August 2017 - Wildfires continue to burn on the Amalfi coast in Italy, affecting a large area for two months now. These Sentinel-2 and Landsat 8 image comparisons provide an overview of the current situation. 
Shrinking lake Mar Chiquita24 August 2017 - This Landsat comparison focuses on the Mar Chiquita salt lake in Argentina. The lake has slowly been shrinking due to a combination of evaporation and land elevation, and these images acquired by Landsat 7 and 8 show the changing size since 1999. 
Bahrain03 August 2017 - These Sentinel-1 and -2 images comparison focus on the city of Manama and Durrat Al Bahrain in Bahrain and demonstrate the different applications of Sentinel-1 and -2. 
Monitoring the fires in Portugal31 July 2017 - More than 2000 firefighters continue to battle the fires in central Portugal. This Landsat 8 comparison uses true and false colour bands to examine the extent of some of the active fires on 26 July 2017. 
Monitoring the Mount Vesuvius fires28 July 2017 - Hundreds of firefighters are continuing to work against the wildfires which broke out on Mount Vesuvius in recent weeks. In these image comparisons, Landsat 8 and Sentinel-2 were used to monitor this ongoing situation in Italy. 
Mount Vesuvius fire21 July 2017 - A series of wildfires began on the slopes of Mount Vesuvius in Italy recently. The fires consumed 9 square kilometres of forest, and Sentinel-2 was used to monitor the wide extent of the affected area on 12 July. 
Fires in Portugal07 July 2017 - A series of deadly wildfires struck central Portugal in June 2017. These image comparisons, using Landsat 8 and Sentinel-2 examine the areas affected by the fire before and after they occurred. 
Astana, Kazakhstan28 June 2017 - The capital city of Kazakhstan is pictured in this Landsat image comparison. Astana is currently hosting Expo 2017, an international exposition on energy and as part of the exposition new areas of the city have been constructed. These Landsat 4 and 8 images show that Astana has undergone significant growth since 1989. 
Buenos Aires, Argentina22 June 2017 - Buenos Aires, the capital city of Argentina, is featured in this Sentinel comparison. The images from Sentinel-1 and -2 show the different applications of Sentinel imagery. 
Great Salt Lake, Utah09 June 2017 - The Great Salt Lake in Utah (U.S.A.) is featured in this Landsat comparison. The images acquired in 2000 and 2017 show how much the lake can vary in size due to seasonal changes. 
Tehran, Iran29 May 2017 - Iran's capital city of Tehran is featured in this Landsat comparison. Acquired by the Landsat 4 and 8 satellites 28 years apart, the two images show how much Tehran has grown since 1988. |
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