Increasingly mild winters have caused an abundance of acorns and beech nuts in Europe's woodlands, writes Paul Brown, triggering a wild boar population explosion – just one of the effects of warming climate on wildlife populations.​Wild boar populations in Europe are getting out of control – and scientists are blaming climate change.There are now millions…

Just one degree of global warming could cut wheat yields by 42 million tonnes worldwide, around 6% of the crop, writes Paul Brown – causing devastating shortages of this staple food.Market shortages would cause price rises. Many developing countries, and the hungry poor within them, would not be able to afford wheat or bread.

Water, food supplies and energy production are all in jeopardy as the Amazon forest is felled for profit. And as Paul Brown writes, the damage is spreading well beyond Amazonia itself. The combination of industrial and agricultural pollution and droughts is creating a once unthinkable vulnerability for the five countries of Amazonia. The continued destruction…