National Energy Efficiency Day (Oct. 7) celebrates the importance of increasing our energy efficiency to reduce consumption and greenhouse gases.

As the U.S. economy slowed this spring due to the novel coronavirus, an avenue of inquiry is how air emissions changed. One finding is that while passenger vehicle use decreased dramatically, freight traffic increased in some large cities.

University of Southampton scientists investigating ways of removing carbon dioxide (CO2) and other greenhouse gases from our atmosphere believe volcanic ash could play an important role.

In January 2018, China stopped accepting most plastic recyclables from Western nations. Within days, there was no hiding just how much plastic nations were producing and consuming.

Hydrofluorocarbons (HFCs) are mainly used for cooling and refrigeration.

With intense wildfires in the western United States and frequent, intense hurricanes in the Gulf of Mexico, the nation is again affected by extreme weather-related events resulting from climate change.

Dust blowing onto high mountains in the western Himalayas is a bigger factor than previously thought in hastening the melting of snow there, researchers show in a study published Oct. 5 in Nature Climate Change.

Although less than one per cent of all water in the world is freshwater, it is what we drink and use for agriculture.

Earlier this year, ESA launched a contest asking the general public to submit ideas on how Earth observation data can help mitigate the effects of the COVID-19 pandemic.

Today there are more than seven million electric vehicles (EVs) in operation around the world, compared with only about 20,000 a decade ago.