The ghosts of our industrial and agricultural past continue to haunt freshwater ecosystems today.
New treatment can break down toxic substances into relatively harmless elements.
Other existential risks include the decline of natural resources (particularly water), human population growth beyond the Earth’s carrying capacity, and nuclear weapons.
PFAS have been used in everything from coffee cups to frying pans. But they're toxic, and accumulating in the environment.
The screening will include a Q&A with experts hosted by Conversation editor Josephine Lethbridge.
Our experiment shows we need to work out just how damaging discarded cigarettes are to plantlife.
New research shows that chemicals leached from ocean plastic impair the growth and oxygen production of the planet's most abundant photosynthesiser - endangering marine ecosystems and the climate.