Do or Die: The Global Climate Summit in Paris
World leaders at the U.N. climate conference are trying for the 21st time to limit greenhouse gas emissions. Here's how they can finally reach meaningful agreements
Record Levels of CO2 Herald the Future of Climate Change
Global warming has become a 1-degree Celsius reality, making progress at climate talks in Paris even more imperative
World's First Global Deal to Combat Climate Change Adopted in Paris
The Paris pact represents the first worldwide effort to reduce greenhouse gas emissions in next decade
Accelerated Innovation Is the Ultimate Solution to Climate Change
U.S. Secretary of Energy Ernest Moniz tells Scientific American how to achieve massive deployment of clean-energy technology
Paris Climate Talks Headed toward Global Deal, but Is It Enough?
Unprecedented commitments to cut carbon emissions may still fall short
90-Nation Coalition Aims for Ambitious Climate Change Deal
Among its goals, the coalition of countries, including the U.S., wants an agreement that the world must aim as soon as possible to hold global warming to 1.5-degree Celsius and work toward a long-term low-carbon future ...
Climate Change and Millennials: The Future Is in Our Hands
The COP 21 talks in Paris have attracted throngs of young people—and they're tired of waiting patiently for their elders to do something
Confidence Is High for a Climate Deal in Paris [Video]
Despite some drama and tension at the COP21 meeting, world leaders and their negotiators are surprisingly optimistic Le Bourget, Paris — Momentum continues to build here for a landmark agreement to combat climate change...
Nuclear Power Must Make a Comeback for Climate's Sake
James Hansen and other climate scientists argue for more reactors to cut coal consumption
Why Climate Skeptics Are Wrong
How to Speak Like a Climate Change Negotiator
Here’s how to translate the jargon coming out of climate change talks in Paris
Obama Calls Carbon Price Better Than Regulations
A tax on carbon is the most “elegant” solution to climate change
Gates Joins Big Wigs in Paris to Push Clean Energy Initiative
At U.N. climate change summit, philanthropist touts informal club of 28 private investors who will pump money into R&D
U.S. and China Work Together for Climate Solution, So Far
The world’s two largest polluters have been team players at the climate talks in Paris
The Most Important Number in Climate Change
Just how sensitive is Earth's climate to increasing concentrations of carbon dioxide?
Meeting a Global Carbon Limit Is Cheaper Than Avoiding One
The world can still avoid dangerous global warming if it acts fast
The Biggest Climate Challenge: Leaving Carbon in the Ground
Science shows that safeguarding the climate will require us to leave most fossil fuels in the ground. Can we restrain ourselves?
Fast Growth Can Solve Climate Change
Quickening economic growth in developing nations can expand forests and hasten the arrival of renewable energy technologies
Without Government, the Marketplace Will Not Solve Climate Change
Whether or not the world reaches an international emissions agreement, the U.S. government holds the real solution
Science and Faith Can Solve Climate Change Together
Moral conviction, backed by facts, could finally inspire global action
The $100 Billion Climate Question
How much aid is available to help adapt to global warming?
How Renewable Energy Could Make Climate Treaties Moot
Powering the U.S. and 138 other countries exclusively with wind, water, and solar would solve global warming—and is entirely doable
400 PPM: What's Next for a Warming Planet
Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years. What does this portend?
The U.S. Can Lead the World to a Climate Agreement
American commitments to reduce greenhouse gas emissions are encouraging other nations
Climate Change Will Not Be Dangerous for a Long Time
Slower warming than predicted gives the world time to develop better energy technologies
The Fragile Framework
A Nature comic examines the 25-year quest for a climate treaty. Can nations unite to save Earth’s climate?
Climate Optimism Builds Ahead of Paris Talks
Emission pledges raise hopes for an international treaty
Paris Climate Talks: The Consequences of Climate Change
What will a world that is a few degrees hotter look like? As negotiators gather in Paris, reporter Adam Levy investigates some of the effects that temperature changes will have on our planet...