USA

India hits back at US complaint with questions of its own about host of state-level green energy schemes

As John Kerry confirms strengthened climate change agreement with Japan, Australia and China partner to support development of national carbon markets

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

Comprehensive study by Climate Policy Initiative says countries are taking the right steps to cut carbon, despite slow progress at a global level

Superpowers warn that 'overwhelming scientific consensus' on climate change demands more ambitious response

American Wind Energy Association said total capacity is now over 60GW, as uncertainty over production tax credit led to surge in investment

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”

Oil giant bangs latest nail in the coffin of 'Beyond Petroleum' era with decision to sell US wind operations

Climate Institute says Asia has overtaken Europe’s lead in competing for green investments

The new wastewater treatment system promises to be smaller and more cost-effective than others on the market.