THE WHITE HOUSE
See the full lineup of artists and performers.
Speaking to the Clinton Global Initiative in New York, New York, President Obama explained how the voice of one citizen can remind us why a civil society is so essential.
President Obama delivers remarks at the United Nations Climate Summit -- a meeting of world leaders to showcase climate action commitments from governments, local leaders, and the private sector.
Check out this week's chart to see the difference we can make if we work together to reduce emissions – and the disastrous consequences if we fail to act on climate change.