Rainforests pump water round the tropics – but the pulse of this heart is weakening
Rainforests pump water round the tropics – but the pulse of this heart is weakening: Jack-Sooksan/Shutterstock Tropical forests are often referred to as the “lungs of the world”, describing the way their trees exchange gases with the atmosphere. By “breathing in” carbon dioxide and “breathing out” oxygen during photosynthesis, tropical forests remove about 15% of …