The Mangrove Photography Award winners show unique ecosystems above and below the waterline.
The small furry Eastern Barred Bandicoot is bumped off an Australian "extinct in the wild" list.
A start-up company has been given £380,000 to develop the hydrogen-powered concept.
Snakes owe their success in part to the asteroid impact that killed off the dinosaurs 66 million years ago.
Over half of respondents in a survey believe humanity is doomed and governments are failing to act.
Science editor David Shukman on three jobs in growing green industries, and what it's like to do them
BBC research finds the number of days passing 50C has doubled in the past 40 years.
More than 220 environment and land rights activists were murdered last year, according to a report.
UK policies will deliver a quarter of emissions cuts needed, say campaigners ahead of the COP26 summit.
Trade bodies and unions say the UK is slipping behind other nations on green investment.