GM proponents say the technology leads to better crop yields and may solve food shortages and reduce pests. Opponents say GM is a threat to the environment and humans. So where does the truth lie?
Polluted oceans don’t just harm wildlife, they are a source of ill health for humans too.
We often think of antibiotic resistance in terms of humans, but it is actually a complex problem of interrelated factors including animal health, the environment and food production.
Many researchers have studied the impact of carbon dioxide and heat on crop growth inside greenhouses. But what happens in the real world? One team has just done this and the results are surprising.