THC concentrations in newly available products far exceed those of traditional smoked weed, which can have dangerous unintended consequences in adolescents.

Before you reach for the weed killer, spare a thought for struggling pollinators.

Published in 1962, ‘Silent Spring’ called attention to collateral damage from widespread use of synthetic pesticides. Many problems the book anticipated persist today in new forms.

Farmers are stuck in a chemical war against weeds, which have developed resistance to many widely used herbicides. Seed companies’ answer – using more varied herbicides – is causing new problems.

Roundup may be taking a beating in the US, where three juries have concluded that it gave plaintiffs cancer, but it's still widely used around the globe.

Growing weed indoors is not an environmentally friendly process. Climate controls create a lot of greenhouse gas emissions, and where the pot is produced has a huge influence on emission levels.

Weed, though far less dangerous than many other drugs, is not entirely without risk. Some 59% of people treating pain with medical cannabis experience moderate to severe withdrawal symptoms

Our study is the first to research the impact of online misinformation on biological invasions.