Europe talks a good game on climate, but its emissions rose last year—while in the U.S., despite the efforts of the Trump administration, emissions fell.
As fire conditions intensify around the globe, scientists are helping countries prepare for a fiery new normal.
European observers say that the Department of State's delegation helped drive progress in some key areas of the COP23 talks.
The U.S. delegation pushed nuclear and coal. The rest of the world rolled its eyes.
Better science coordination will help mountain communities prepare for global warming.
The Trump administration's attempt to undo climate regulations won't have a big impact on U.S. emissions and won't revive the coal industry.
A new rule-making process will start another lengthy battle over climate regulations.
Lawsuits by states and advocacy groups are effectively blocking some of the most egregious attacks on environmental regulations.
The administration wants to eliminate 2015 regulations—a move that would disproportionately harm lower-income regions and neighborhoods.
Shifts in hemispheric weather patterns may steer tropical systems toward the poles—bad news for New York, New England, and Western Europe.
As Atlantic hurricanes intensify, it's clear that failing to act on science will increase the risks from future storms.
As hurricanes intensify, the president cuts science funding and talk-radio hosts cry conspiracy.
Interaction of forests and fungi plays a huge role in the Earth's global carbon cycle.
Spring cold snaps were also costly in the U.S. and Europe.
In Hamburg, the American negotiators issued bold, sometimes confusing requests.
To sustain mountain communities, we need more monitoring and better governance.
As the U.N. boosts the roles of city and regional governments, California Governor Jerry Brown has been appointed special advisor to COP23 in Bonn.
Exporting green technology will help lower emissions—but not without pools like the Green Climate Fund.
Warming oceans and intensifying winds are combining to speed decay of coastal ice.
In his Rose Garden remarks, the president's emphasis on victimhood and economic primacy shocked Europe—and even echoed early Nazi themes.
Trump's protectionist stance at the G7 summit opened a huge rift—and the Paris Agreement was built to withstand it.
Earth's most vulnerable nations remind the developed world that climate action is a question of life or death.
Swift changes in the energy mix in China and India offer reasons for optimism in Bonn, Germany.
New modeling suggests it could happen as soon as mid-century.
Research in Tibet and Peru has identified glaciers and glacial lakes that could cause catastrophic avalanches and floods.
Cities will bear the brunt of future heat waves, but good urban planning—and ancient Japanese cooling techniques—could help reduce the threat.
Record your bumblebee sightings! Build a nesting box! Plant native flowers and support organic, pesticide-free agriculture!
New research says rice paddies and decomposing wetlands account for a recent uptick of methane in the atmosphere — but America shouldn’t use that as an excuse.