Global Warming

Under Pekka Haavisto, Helsinki tries to chart a path to a fossil fuel-free future.

Efforts to combat climate change should be pragmatic above all else.

Why it is time to start following Francis’s example on climate change.

The world needs a new alliance of green economic powers to create a low-carbon economic zone.

The country may seem a haven for clean energy, but that’s because it exports its pollution.

Friends and rivals alike press administration to embrace multilateral diplomacy on climate change, Iran, and North Korea.

Trump’s new enviro-rollback seeks to undermine the landmark accord, but an America First energy plan might not mean pulling out entirely.

Hoping to cement his climate legacy, Obama appeals to Trump the businessman.

NOAA’s Arctic Report Card documents melting sea ice and a ticking time bomb of billions of tons of carbon.

Why Secretary Kerry is Stopping in Antarctica Before Next Week’s Trip to Morocco for the U.N. Climate Change Summit

2015 Global Thinker Marjan Minnesma and Gasland director Josh Fox debate the best—and perhaps only—way to spurn action on climate change: Terrify people.

As their land disappears into the sea, villagers in the Bay of Bengal struggle to keep their livelihoods.

Atmospheric scientist Katharine Hayhoe and activist Bill McKibben discuss the pope, global warming, and the making of faith-based environmentalism.

The landmark deal won’t cut China’s emissions for more than a decade, and it’s going to be tough for the U.S. to meet its requirements. But it's a good start.

The industrial engine of Europe is increasingly powered by backyard windmills and locally owned solar panels. And this complex, patchwork system just might be the future of sustainable energy.

Finland's pristine environment has been ruined, activists say, by an out-of-control energy giant -- turning once pristine lakes into brown pools teeming with "monkey disease."

Canada scores first in the clean-coal game. But it will be a tough and expensive act to follow.