Protesters demanding economic and political changes to curb the effects of global warming march toward the New York Stock Exchange on September 22, 2014 in New York City.
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This week, global leaders converged in New York City for the United Nations Climate Summit. Ahead of the summit, hundreds of thousands of protesters demonstrated at the People’s Climate March – deemed the largest climate demonstration in history. Sunday’s event was – at least in part – intended to show attendees of Tuesday’s climate summit that the popular will exists for political leaders to enact substantive reductions to carbon emissions.

So, how much do you know about this “hot” topic and this week’s critical events?

More than 1,400 organizations and participants from around the world marched.

Celebrities weren’t the only marchers – meet some of the faces of the new climate movement

Protesters occupied the corner of Wall Street and Broadway in New York City to protest what they say is the finance capital’s role in perpetuating climate change.

The U.N. headquarters, completed in 1952, is considered a masterpiece of the International Style. 

While there’s a growing consensus that world leaders need to take dramatic action to prevent the worst effects of climate change, the severity of the problem is still not widely understood. 

The initiatives announced by the White House last Thursday are the latest in a series of unilateral executive actions aimed at combating climate change. 

Members of the clan are hopeful it will inspire other investors to seriously consider the environmental consequences of burning fossil fuels at the current rate.

An environmentalist and the founder of 350.org, Bill McKibben penned an op-ed for msnbc.com in advance of the People’s Climate March.

An environmentalist and the founder of 350.org, Bill McKibben penned an op-ed for msnbc.com in advance of the People’s Climate March.

Movie star and environmental activist Mark Ruffalo has said that Hillary Clinton’s position on fracking could be harmful for the possible 2016 presidential candidate.

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