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Climate change – Analysis and Comment

This common lionfish (Pterois volitans) was sighted more than 200km further south than expected down the NSW coast by 14-year-old scuba diver Georgia Poyner. It’s one of almost 40 verified observations she has submitted to Redmap. Redmap/Georgia Poyner

How you can help scientists track how marine life reacts to climate change

We know the warming seas are forcing some marine life to new waters, but we don’t know much about how fast and how far they are moving. But now you can help scientists find the answers with Redmap.
China knows the smart money is on renewables, and not just because of climate change. Reuters/Carlos Barria

Want to see the business case for green energy? Just look at China

China is pouring money into clean energy - not just to tackle climate change but because these are economically fruitful industries. And as China develops them, the technologies will get cheaper for everyone.
Places near the equator, with less natural climate variation, were the first to see humanity’s climate fingerprint. Husond/Wikimedia Commons

Ground zero for climate change: the tropics were first to feel the definite effects in the 1960s

Global warming is, by definition, experienced worldwide. But a new study shows that the tropics were the first places on earth where the human effect on climate outstripped normal climate variations.
The Abbott government’s instinct on foreign policy is to approach it through the lens of domestic politics. AAP/Lukas Coch

Global pressures expose the limits of Australian foreign policy

The pressure the Abbott government faced over the Syrian refugee crisis hints at a broader trend. Global political dynamics are now exposing a credibility deficit in Australian foreign policy.
Electricity is only one of the marvels brought to us by science. But even that’s not enough to convince some of its value. Michael Wyszomierski/Flickr

What has science ever done for us? The Knowledge Wars, reviewed

Nobel Laureate Peter Doherty’s new book explores why so many people today selectively reject science, and in the process gives a behind the scenes look at how science really works.