More bad news about the tropical rain forests as satellite images show a shrinking Amazon forest.

Drinking water in Bangladesh is often full of salt as rising sea levels force water further inland.
Expensive technology offers solutions but who will foot the bill?

Bangladesh: Catching rainwater to drink / G.M.B. Akash
  Panos Pictures

Renewal energy is growing faster than expected, and windpower is leading the surge.

The government wants farmers to plant crops for biofuels on a vast scale. But could the quest for green energy create food shortages?

The government wants farmers to plant crops for biofuels on a vast scale. But could the quest for green energy create food shortages?