How fast can the US transition to clean energy and with what energy sources? Here's why an impassioned debate among energy wonks matters to the rest of us.
Without the private sector cutting carbon emissions – rather than just lobbying the government for action on climate – the world will never reach the temperature targets of the Paris Agreement.
Must the money raised to save wildlife always aid the most popular animals? New research suggests that marketing can persuade donors that northern hairy-nosed wombat lives matter too.
Defiant against Trump's policies on immigration and environment, California finds itself defending its way of life – the California Dream itself.
Most of the earthworms in the US Northeast and upper Midwest are nonnative species. Scientists are finding increasing evidence that invasive worms and invasive plants may help each other.
The Colorado River supplies water to millions of people and irrigates thousands of miles of farmland. New research warns that climate change is likely to magnify droughts in the Colorado Basin.
More than 200 mayors have committed their cities to stick with the Paris climate deal no matter what the US does. Electric vehicles offer a promising route to making good on that pledge.
Scientists typically stay out of public policy debates, but an academic makes the case that they need to push back against politicians who distort research.
India, the world's fourth-largest carbon emitter, long resisted calls to fight climate change. Now it is investing heavily in clean energy and expects to meet its Paris climate accord target early.
It's increasingly likely that at some point, the world's nations will need to broach the fraught discussion of geoengineering. The UN climate accord was a natural forum to do it.
Coal-fired power plants produce air pollution that kills thousands of Americans every year. President Trump's embrace of coal energy will delay a shift to cleaner fuels that is saving money and lives.
Cuban and US scientists are forming partnerships to protect coral reefs and fisheries in both countries. But President Trump may soon announce steps to slow or reverse the US opening to Cuba.
Climate change, rising food demand and globalization are putting pressure on world food production. New research explores the risk of failures in several of the world's breadbasket regions at once.
Trump's decision to pull out of the Paris Agreement strains international relations further and strengthens the resolve of other countries to move forward on climate without the US.
The Trump administration has already sought to reverse several Obama-era climate change policies. Pro-environment people should now focus on threats to state climate actions.
A climate scientist and policy scholar sees three possible scenarios following Trump's plan to pull out of the Paris Agreement –
ranging from a small uptick in emissions to a global recession.
As President Trump pulls the US out of the Paris climate accord, China is cutting pollution and dominating clean energy manufacturing. Now it can claim global leadership for those actions.
A panel of academics and scientists explain the damages to the Earth, the economy and US moral standing in the world by Trump's decision to abandon the Paris climate accord.
President Trump's budget would cut funding for Superfund, which cleans up the nation's most toxic sites, by nearly one-third. An economist explains how Superfund cleanups benefit local communities.
Javan rhinos are among the most endangered mammals in the world: They live on one island in Indonesia, in the path of tsunamis. Saving them will ultimately require establishing additional populations.
The US Department of Agriculture kills thousands of predators yearly, mainly for attacking livestock. A conservation biologist explains why this policy is ineffective and ecologically harmful.
Two atmospheric scientists explain how they weigh evidence such as ocean temperatures, wind speeds and other climate patterns to predict how many Atlantic hurricanes are likely to form this year.
Major hurricanes threaten millions of people and billions of dollars in property along the Atlantic coast. Here experts advise on preparing, understanding forecasts and recovering after a storm.
President Trump's budget reportedly will slash funding for clean energy research and development. An energy expert explains the importance of government support and spotlights some key opportunities.
More tornadoes occur in the United States than in any other country, mainly in the Great Plains, the Midwest and southern states. Two meteorology professors explain what causes these dangerous storms.