The world's most authoritative climate science body warns that Australia and the rest of the world should act now and eliminate coal within 22 years to save the Great Barrier Reef and other fragile ecosystems. And the largest body in the world (no, it's not a whale) is in trouble in the state of Utah.
ABC Online Environment Reporter Nick Kilvert discusses the year's greatest environmental stories with science editor Jonathan Webb.
IPCC issues climate warning, says coal should go to save the Great Barrier Reef
Under the IPCC predictions, babies born today will be 22 when warming reaches 1.5C. What will life be like?
Pando's aspen clone or "trembling giant," the world's largest organism, is collapsing
I emphasize, you stress, how can we stress less
Lila Landowski, University of Tasmania