Observers likely to be left cold, as addresses to UN fail to deliver detailed new proposals on how to break Copenhagen deadlock
Optimism that today's meeting of the UN could serve to reinvigorate the stalled Copenhagen negotiations appeared to be receding tonight, after US president Barack Obama and Chinese president Hu Jintao...
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