Greenhouse Gases Videos
Sea Level Could Rise Nearly 50 feet by 2500
A new study says greenhouse gases could melt the Antarctic ice faster than previously thought.
Obama Holds Joint Press Conference With Canadian PM
Prime Minister Trudeau joined President Obama for a press conference on US-Canada relations.
How Could Your Actions Affect Glacial Meltdown?
Climate expert Bernadette Woods Placky answers "GMA" viewers' questions about global warming.
President Obama Talks Terror, Congress at Year-End News Conference
The president fielded questions from reporters before leaving for vacation with his family.
Obama Offers Year End Speech
The President reflects on 2015, and says he will "leave it all on the field" in 2016.
Secretary John Kerry on Historic Climate Deal
History made in Paris yesterday, as nearly 200 nations approved the first global agreement on climate change. The Paris accord will limit temperature increases and the consequences by curbing greenhouse gas emissions. Cutting the useover fossil fuels. President Obama gave the agreement an emphatic
Countdown to Iowa Caucus: Will Donald Trump Win?
Presidential hopeful Ted Cruz takes the lead over the real estate mogul in a newly released poll.
Historic Climate Deal Reached
After two weeks of negotiations in Paris, leaders from 195 countries came to an agreement to limit greenhouse gases.
Inside COP21 with ABC News' Alexander Marquardt
Paul Bodnar, Senior Director of the National Security Council at The White House says "We've never had a better chance to succeed."
Security Concerns Remain as President Obama Heads to Paris
Two weeks after the terrorist attacks, President Obama heads to Paris for a summit on climate change, where he will be joined by leaders from nearly 200 countries.