Writing in Climate Home, the mayors of Paris, Mexico City and Rio de Janeiro say they are ready and willing to implement the UN’s new climate deal
It only takes place every 20 years and does not bind participating governments to anything, but Habitat III can help shape greener, cleaner cities
Kibera is a maze of dangerous wiring, as people without clean or safe energy resort to illegal grid connections
Architect of Paris climate deal plans to mobilise green finance with city mayors, bankers and philanthropists
If those motivated more by faith than science joined those motivated more by science than faith, climate deniers could be crowded out of the public discourse
The Carbon Tracker Initiative, hailed by US environmentalist Bill McKibben for changing the climate debate, is opening an office in New York
Documentary maker Michael Dorgan ate three muffins made with palm oil each day. Much of the fat he gained was clustered around his vital organs
From tree-planting to boycotts, people of faith should do their bit to protect creation, says spiritual leader of world’s 1.2 billion Catholics
Researchers in Kenya’s Samburu county find households where at least one member has migrated have the capacity to adopt better adaptation measures
An average of 22.5 million people have been displaced by climate or weather-related events since 2008: one answer is access to better forecasts
We live in an era where emotional statements frequently trump cold and bland facts, raising questions over comms strategies for climate activists
Drought and heat have hit Ugandan harvests, but new varieties of seeds and beans could help secure food supplies in vulnerable regions
The first cookstove project in India approved for carbon credits by the Clean Development Mechanism failed to deliver, study shows
As the Brazilian city hosts half a million tourists and 10,000 athletes for the Olympic games, CDP submission shows multiple global warming threats
Non-profit CDP reports 533 cities are sharing their climate plans, an increase of 70% since 2015
Campaign launches to promote clean energy and sustainable lifestyles, with stars backing #sport4climate
Alberta tar sands group apologises for post after complaints of sexism, but reiterates criticism of Saudi Arabia’s human rights record
Current progress to make our cities a better place is held back by the lack of political will: but that shouldn’t be inevitable
Scientific reports warn that people are already dying and economies being hit by climate change − and that the dangers are growing
Influential UN body considers human rights and climate change post-Paris, emphasises importance of the climate negotiations in protecting communities