Climate science
A brief history of the 1.5C target
ANALYSIS: Like most overnight successes, a campaign by vulnerable countries for a stricter warming limit is based on years of groundwork
Podcast: How climate vulnerable countries are setting the agenda in Paris
Megan Darby talks to Monica Araya, former Costa Rica negotiator and founder of think tank Nivela, about an extraordinary push for a 1.5C global warming limit at COP21
Coke, Sony among 114 firms to cut carbon in line with 2C
NEWS: Businesses with emissions equal to South Africa and nearly $1trn in profits pledge to help cap global warming below agreed danger threshold
Scientists: 1.5C warming limit means fossil fuel phase-out by 2030
NEWS: Global greenhouse gas emissions stalled in 2015, but tough target demanded by climate vulnerable countries looks unattainable
Saudi Arabia, India quash UN study warning of 2C dangers
NEWS: Island nations left distraught as major carbon polluters block report that suggested limiting temperature rises to well below 2C would be safer for millions
Podcast: A climate scientist’s first UN summit
Katharine Hayhoe, atmospheric scientist at Texas Tech University, evangelical Christian and communicator, reflects on 2C, US Republicans and the “Pope effect”
Africa’s green belt gets greenbacks to halt spreading Sahara
NEWS: France’s Francois Hollande and donors put up $4 bn for band of trees stretching 7,100km from Djibouti to Dakar
Germany and France back 1.5C global warming limit
NEWS: Countries vulnerable to climate change impact welcomed show of support for tighter temperature goal at COP21 in Paris
Bill McKibben: Exxon’s power is ‘weakening daily’
INTERVIEW: Probe of oil major’s alleged climate denial shows fossil fuel industry has ‘done nothing but deny and deceive for a generation’, says 350 founder
On forests, the UN and indigenous people are worlds apart
ANALYSIS: Germany, Norway and UK lead forest protection announcements, but where are the real forest defenders at COP21?
$1 trillion funding gap for poorest countries’ climate plans
NEWS: Pledges by 48 least developed countries to a UN deal need more than $90 billion a year between 2020 and 2030 to implement, says IIED
Is it immoral to invest in coal?
ANALYSIS: Cheap fuel for developing nations; disastrous for the climate. We asked three experts if it is morally defensible to bankroll new mines and power plants
Weekly wrap: Paris preview, blocking coal and 2C controversy
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UN moves goalposts to keep 2C hope alive
NEWS: Positive message of ’emissions gap’ report ahead of COP21 is based on implausible assumptions, warns scientist Oliver Geden
World headed for hottest year on record – WMO
NEWS: 2011-2015 was the warmest five-year period since measurements began, UN weather agency declares before Paris summit
‘I’m going to Paris because I’m fighting for my home’
COMMENT: Marshallese poet Kathy Jetnil-Kijiner explains why she has decided to travel thousands of miles to France, and why she’s not leaving without an ambitious climate deal
Bangladesh capital faces future influx of climate refugees
NEWS: Rising sea levels and cyclones spell huge migrations to overpopulated Dhaka if the planet doesn’t cut carbon emissions fast enough
Inside Canada premiers’ climate science class before Paris summit
NEWS: Prime minister Justin Trudeau uses first meeting between provincial chiefs and Ottawa in 7 years to build bridges and buff up climate knowledge
Climate change speeds retreat of Trinidad’s idyllic beaches
NEWS: Caribbean island needs more than seawalls to keep coastal erosion at bay. Time for a long-term vision backed by business, say researchers
Brewing El Nino among strongest on record – WMO
NEWS: Abnormally warm Pacific waters are playing havoc with global weather and could surpass 1997-98 record, says UN agency