More than 180 countries have already made firm commitments to cut carbon emissions, says Barbara Finamore, Asia director of the China program at the Natural Resources Defense Council.
Representatives from countries around the world gather in Paris this week to set carbon emissions targets they hope will reduce climate change.
Michel Jarraud, secretary-general of the World Meteorological Organization, warns about the dangers of climate change and the urgent need to act.
The next US president will decide climate policy, not Paris negotiators, says Terry Tamminen. Here's how the candidates stack up on the issue.
CNBC's Steve Sedgwick reports on President Obama's comments on climate change and fighting terrorism.
President Obama says the world needs to tackle climate change now, as it's something that affects everything.
Climate change poses a greater financial risk than entitlement programs, says Peter Orszag, ex-Obama budget director.
President Obama answers questions about how to handle the generational problems of climate change. I think we will solve climate change, says Obama.
President Obama answers questions about his successor carrying on the effort to control climate change and fighting ISIS by improving intelligence gathering and cutting off the terror group's funding.
President Obama answers questions about fighting ISIS and dealing with conflict in the Middle East. Also Obama weighs in on the global climate control and the deadly shooting at Planned Parenthood.
President Obama holds a news conference on global climate change. This trend affects all trends, says Obama.
President Obama holds a news conference on global climate change and speaks to questions about President Assad's leadership in Syria and fighting terrorism.
CNBC's Steve Sedgwick reports the largest gathering ever of world leaders are meeting in Paris to discuss global climate change.
Used chewing gum being left on streets is a common problem, and an expensive one to clear up, but one company has a solution – recycling.
The U.S. and China have led calls for the climate summit in Paris to mark a decisive turn in the fight against global warming.
Environmental patterns and climate change risks are too big for investors to ignore, says David Dietze, president and chief investment strategist at Point View Wealth Management.
World-famous broadcaster and naturalist, David Attenborough, backs U.S. President Barack Obama's stance on climate change.
China and the U.S. are the world's two biggest users of coal and together account for almost half of all the world's CO2 emissions.
The Paris climate summit isn't where the action is, says the US Green Building Council CEO. Businesses motivated by profits will make the difference.
Jim Yong Kim, president of the World Bank, talks about the importance of addressing poverty at the COP21 conference in Paris, as poorest regions are hit hardest by the effects of climate change.