INTERVIEW: Professor Paul Ekins, awarded an OBE this New Year, reflects on the growth of environmental economics
NEWS: Polluting oil pipeline faces more setbacks as Obama threatens to block Congress bill
ANALYSIS: Obama could see Keystone bill on his desk later this month, as Republican controlled Congress pushes for final decision on pipeline
NEWS: Lima decision to water down “firewall” between rich and poor will not hold, says negotiator Gurdial Singh Nijar
NEWS: Jerry Brown proposes new goals on climate and energy as he is sworn in for fourth term as governor
NEWS: More people living in Philippines has worsened pollution, deforestation and waste problems, says government report
NEWS: Veteran US official says White House should show leadership while oil prices are low and tax carbon in fossil fuels
NEWS: TV naturalist calls out scepticism in governments ahead of a politically important year in fight against global warming
NEWS: Outgoing EU climate chief hopes China-US carbon cutting pact will encourage other major economies to follow
ANALYSIS: There are three big UN deals due in 2015, on disasters, development and climate; what happens in the markets and on the streets will be critical
ANALYSIS: International aviation and shipping are not mentioned in the Lima call for climate action, despite growing emissions
COMMENT: It’s time for global climate negotiations to deliver results, argues Saleemul Huq, reflecting on the recent Lima set of talks
ANALYSIS: Tax oil, wipe out emissions by 2050, divide up a carbon budget: how high could the Paris climate agreement aim?
ANALYSIS: Female representation in UN climate talks is increasing; on the ground, women are still marginalised
NEWS: Move by Brussels offers some integrity to beleaguered treaty, one year before UN hopes to agree global climate deal
NEWS: The Peruvian government is seeking to extradite activists who damaged world heritage site, on charges that carry 6-year jail sentence
NEWS: UK prime minister calls on Canberra to step up and make a greater contribution to cutting climate-warming emissions
ANALYSIS: No one country can leave Peru saying it got everything it wanted, but the building blocks of a global deal remain in place
NEWS: Warming relationship between superpowers key as countries work towards global emissions deal in 2015
BRIEFING: Details on key agreements reached at the UN’s COP20 climate change conference in Peru