Viruses are not all bad. In fact, many ecosystems would not function without them.
The word "virus" strikes terror into the hearts of most people. But most viruses are actually vital to our very existence.
Rivers in many agriculturally significant areas of Australia could lose water as the landscape grows greener.
Kerry Raymond/Wikimedia Commons
Rising carbon dioxide levels are making plants grow faster, sucking up more water and reducing river flows in many agriculturally important areas of Australia, according to new research.
Dam useful: what have beavers done for you lately?
Listing the value of bees, beavers and others on the pages of the world's financial press helps to show that ecosystems deliver benefits worth staggering amounts of money - yet we scarcely keep track of it.
The modern emphasis on sanitation has a role in our shrinking microbial populations.
Human activities have altered whole ecosystems with declines in species diversity, extinctions and the introduction of weeds and pests. But it's not just the outside world we're harming.
‘I don’t do public transport.’
Bat populations have been hammered by deforestation. Efforts like tree-planting schemes are a step forward, but they're doomed to fail unless we apply a bit more local knowledge.