Expert warns that rapid rollout of anaerobic digestion plants to address looming shortage of crucial fertiliser
Peak oil presents the world with an energy crisis once supplies start to dwindle any time from 2015. But another growing crisis is looming, with potentially devastating consequences for the world's food...
Lib Dem leader issues rallying cry for more investment in low carbon economy in a speech sharply critical of Theresa May's government
Liberal Democrat leader Tim Farron's speech to Policy Exchange - in full
President Trump appointee gives first address to Environmental Protection Agency employees in Washington DC
IIGCC chief executive Stephanie Pfeifer welcomes the task force's guidelines, but warns some recommendations do not go far enough