Harnessing wind
Post offices sell wind
Combusting hydrogen
Fight back
Plankton Power
Managing floods
Flood Management adds to the problem
Long distance travellers
Air pollutants ride the currents over long distances
A warmer and greener Arctic
Shrubs are found growing higher up in the Alaskan Arctic
Sweet treatment
A cheaper method uses glucose and enzymes to filter water
Appearances are deceptive
Doped and deadly
Fungi create fertile soils
Glue to bind bridges
It wasn't the asteroid