The world's most authoritative climate science body warns that Australia and the rest of the world will now have to act and get rid of coal within 22 years to save the Great Barrier Reef and other vulnerable ecosystems. And the largest organism in the world (not whales) is in trouble in the Utah state.
ABC's online environment correspondent, Nick Kilvert, discusses the biggest environmental stories of the year with Jonathan Webb's science editor.
The IPCC addresses a real climate warning, saying that coal must go to save Great Barrier Reef
According to the IPCC forecasts, babies born today will be 22 when they warm 1.5C hits. What will life be like?
The pane aspen or giant, the largest organism, falls
I emphasize, emphasize, how we can emphasize less
Lila Landowski, Tasmania University