Urged 193 nations to take action to limit global average temperature increase to 1.5 degrees Celsius
Key risk for defenders of the global pact is that other countries could now follow Trump's lead
By 2060, about 1.4 billion people could be climate change refugees: Cornell University research
Oceans have absorbed an astounding 93% of the excess heat over the past 40 years
Finally, cities should seek out adaptation options that have other health co-benefits
More than ever, we need strong and accountable leaders, to avoid the worst of climate change
'Lukewarmers' doubt whether climate change represents a crisis unique among the varied challenges
It is still fairly early days to assess the impact of Trump's complex announcement: UN
This century the total economic costs of climate change for major cities could be 2.6 times higher
'If Americans demand action on climate change from Congress, there's no doubt that it will happen'
The world needs to deal with the rogue administration in the US
All you have to do is believe that you can
A column on the climate set off yet another dangerous tempest of exaggeration and simplification
The global mean surface temperature is now 1.1 degrees celsius above pre-industrial levels
The world is currently on an unsustainable path
Paris climate agreement aims to limit global warming below 2 degree Celsius
This was expected based on Trump's campaign rhetoric and his selection of Cabinet members & advisers
In a 2 degree Celsius-warmer world, Kolkata could experience deadly conditions at least once a year
His testimony before a Senate panel recognises a threat others in the administration reject
Move may boost efforts like the Financial Stability Board's climate-risk disclosure practices