News stories about the climate crisis often contain mentions of greenhouse gases, and the greenhouse effect. Whilst most will find the analogy easy to understand, what exactly are these gases, and why are they contributing to the warming of the Earth?

Beyond the Horizon: Raising a Generation to Protect the Blue Pacific
Rohingyas in Myanmar suffering ‘heartbreaking’ misery and cruelty
Land degradation is costing far more than restoring: UN deputy chief
As wars spread, the global food system unravels
One million children in Afghanistan face deadly malnutrition
Haiti ramps up the fight against gangs in the capital, but violence spreads elsewhere
Monkeys hunt small animals when fruit is scarce
Once upon a time, insects had 24 legs
Microbes might get freeze-dried on the moon’s south pole