The leaders of nearly two dozen environmental groups called on President Obama to attend next month’s Rio+20 Earth Summit in Rio de Janeiro, underscoring the uncertainty that continues to cloud the historic meeting.

While the health benefits of biking are well-documented for both cyclists and the planet, it turns out that the U.S. economy is a bit more in the pink thanks to all that pedaling.

Civil society plays key roles in pushing for new laws, programmes, policies or strategies on climate change, in holding governments to account on their commitments; in identifying the lack of joined-up government responses to climate change; and in ensuring that national policy making does not forget the poor and vulnerable.

With only days to go before the start of the Heartland Institute’s annual climate denial conference, eleven major funders have dropped their support of the organization.

Together with TckTckTck, the Elders have launched ‘Elders + Youngers’ a global debate with young leaders to inspire the urgent change needed to build a more equitable and sustainable world.