To cap global warming at 1.5 degrees Celsius means slashing carbon pollution in half by 2030 and to zero by 2050. How can we do that? What will this mean for our economies and daily lives?
The Mediterranean is a "climate change hotspot" and will be hit by ever fiercer heatwaves, drought and fires supercharged by rising temperatures, according to a draft UN assessment
US President Joe Biden will seek to restore bonds of trust at NATO's first post-Trump summit, as leaders push to revitalise the alliance despite differences over dangers ahead
Limiting air pollution to levels recommended by the World Health Organization could prevent more than 50,000 deaths in Europe annually, according to a new study that calls for urgent action
Lockdowns may have temporarily cleared up the skies above big cities but experts warn that air pollution remains a Covid-19 threat multiplier that will far outlast the pandemic
More than four billion people could be overweight by 2050, with 1.5 billion of them obese, if the current global dietary trend towards processed foods continues, a new study predicts