Protein shake-up
Alternative proteins are at the top table, fed by dietary, ecological and ethical concerns.
Microbes vs methane
Researchers are employing methane-eating bacteria to deal with the menace of the potent greenhouse gas.
A grim climate reality
Billions of people are at risk globally from adverse climate tipping points, a report warns.
Alga shows the way
Researchers are looking at ways to use microalgae as a carbon cleanser.
