Senior US military and national security experts demand "robust" strategy to tackle climate change, labelling it a major threat to US and international security
Environment Secretary speech at the State of Nature report launch - in full
State of Nature reveals the destructive impact of intensive farming, urbanisation and climate change on plants, animals and habitats
New report warns accelerating effects of climate change could have destructive impact on energy systems around the world
Top polluter joins US and China in formally accepting climate change agreement
Could we combine hydrogen and carbon to produce a sustainable fuel from solar energy?
National Flood Resilience Review proposes new stress tests and secures commitments from utilities to better protect key infrastructure
How can we stay positive and resist the fear and anger the threat of climate crisis provokes?
President slams climate sceptic Republicans as he unveils raft of new initiatives to help Western US tackle climate impacts
Over 3,500 churches are moving to clean energy, according to figures released by group of Christian charities