Ask John Kerry to Advocate for an Aviation Emissions Cap

World Wildlife Fund (WWF) has initiated a letter campaign, seeking to get U.S. Secretary of State John Kerry to press for a global cap on international aviation emissions. Here is a screen-capture, linked to a WWF webpage with further info and a quick signup to join the letter campaign.

(click on image to view campaign webpage at WorldWildlife.org)

(click on image to view campaign webpage at WorldWildlife.org)