COVID-19 shutdowns are clearing the air, but pollution will return as economies reopen
Economies around the world have been on lockdown to slow the spread of the COVID-19 coronavirus pandemic, leading to cleaner air - but it won't last.
climate
Both conservatives and liberals want a green energy future, but for different reasons
Despite political divisions in the United States, conservatives and liberals both want a future with green energy.
Spring is arriving earlier across the US, and that's not always good news
A warming climate has moved up the arrival of spring by several weeks for many area. That may not be a good thing.
A military perspective on climate change could bridge the gap between believers and doubters
US military leaders have to plan for operations all over the world, so they can't afford to ignore climate change or debate its causes.
Atmospheric river storms can drive costly flooding – and climate change is making them stronger
Earth's biggest rivers are streams of warm water vapor in the atmosphere that can cause huge rain and snowfall over land. Climate change is making them longer, wetter and stronger.
Youth climate movement puts ethics at the center of the global debate
Economic and political assessments of climate change have for years helped justify inaction. Now, young environmentalists worldwide are shifting the debate to focus on values, ethics and justice.
New evidence that an extraterrestrial collision 12,800 years ago triggered an abrupt climate change for Earth
Why did Earth's climate rapidly cool 12,800 years ago? Evidence is mounting that a comet or asteroid collision is to blame, with new support coming from the bottom of a South Carolina lake.
EarthTalk – What is the “flying shame” effect?
People are being guilted out of flying to help reduce carbon emmissions.
Why carbon dioxide has such outsized influence on Earth's climate
Carbon dioxide makes up less than one-twentieth of 1% of Earth's atmosphere. How does this relatively scarce gas control Earth's thermostat?
China is positioned to lead on climate change as the US rolls back its policies
The United Nations is calling on world governments to step up action against climate change. Can China, the world's biggest carbon emitter, fulfill its pledges?