Filmed over the course of six years in the Nation’s most pristine parks - from Acadia to Yosemite, Yellowstone to the Grand Canyon, the Everglades of Florida to the Gates of the Arctic in Alaska - The National Parks: America’s Best Idea is a  six-episode series directed by Ken Burns and written and co-produced by Dayton Duncan. Please take a moment, and click on the image below to watch one of the six episodes and discover why preserving our National Parks is so instrumental to our nation and it’s people.

To draw attention to climate change, Brazilian Artist Nele Azevedo was contracted by the World Wildlife Federation to set up 1,000 ice sculptures on the Berlin Concert Hall Steps.  Image via Getty

The following is the prepared text of President Obama’s speech on Tuesday September 22nd to the United Nations General Assembly, as released by the White House. To watch the speech please click here.

Good morning. I want to thank the Secretary-General for organizing this summit, and all the leaders who are participating. That so many of us are here today is a recognition that the threat from climate change is serious, it is urgent, and it is growing. Our generation’s response to this challenge will be judged by history, for if we fail to meet it – boldly, swiftly, and together – we risk consigning future generations to an irreversible catastrophe.

No nation, however large or small, wealthy or poor, can escape the impact of climate change. Rising sea levels threaten every coastline. More powerful storms and floods threaten every continent. More frequent drought and crop failures breed hunger and conflict in places where hunger and conflict already thrive. On shrinking islands, families are already being forced to flee their homes as climate refugees. The security and stability of each nation and all peoples – our prosperity, our health, our safety – are in jeopardy. And the time we have to reverse this tide is running out. Read On