Barack Obama

Climate Declaration secures 40th corporate signatory, as auto giant calls on Washington to deliver ambitious environmental policy

Campaign group aims to increase pressure on Republican climate deniers blocking Congressional action on emissions

Watered down bill aims to navigate Congressional barriers

Farm to Fly initiative aims to support annual production of one billion gallons of aviation biofuels by 2018

As President Obama unveils budget designed to boost green economy, business leaders urge Congress to take action “by promoting clean energy, boosting efficiency and limiting carbon emissions”

75 sports champions warn of warmer winters in latest effort by environmental campaigners to urge president to act on climate

'This notion that there’s a contradiction between our economy and our environment is a false choice'

Auto industry voices support for proposed new rules designed to reduce health risks and improve vehicle efficiency

President urges Congress to back plan for $200m a year green car funding, but fears mount of Keystone approval and delays to EPA rules

Battle in Congress looms, as president prepares to unveil ambitious new clean energy masterplan