Caribbean reef fish decline: where have all the big fish gone?

Humans have been overfishing Caribbean reefs for decades or even centuries.  And you don’t have to be a scientists to have noticed.  Countless reefs once dominated by vertebrate predators are now nearly devoid of large fish. Sharks and large grouper and snapper are a rarity on most Caribbean reefs.   The reason isn’t a mystery; … Continue reading Caribbean reef fish decline: where have all the big fish gone?

Australia delays emissions trading, but is still comitted to “saving the Great Barrier Reef”

The Australian Prime Minister Kevin Rudd has ‘changed tack‘ from his post election promises last year in which he said that ‘failure to act on climate change could be disastrous’, and that delaying emission reductions would be “reckless and irresponsible”. Due to the global recession (and presumably other factors), local emissions trading is now halted … Continue reading Australia delays emissions trading, but is still comitted to “saving the Great Barrier Reef”

More than 50% fossil fuel reductions needed by 2050 to meet 2°C climate target

Less than a quarter of the proven fossil fuel reserves can be burnt and emitted between now and 2050, if global warming is to be limited to two degrees Celsius (2°C), says a new study published in the journal Nature today. The study has, for the first time, calculated how much greenhouse gas emissions we … Continue reading More than 50% fossil fuel reductions needed by 2050 to meet 2°C climate target

“Climate change hitting entire Arctic ecosystem, says report”

The Guardian, 28th April 2008 Extensive climate change is now affecting every form of life in the Arctic, according to a major new assessment by international polar scientists. In the past four years, air temperatures have increased, sea ice has declined sharply, surface waters in the Arctic ocean have warmed and permafrost is in some … Continue reading “Climate change hitting entire Arctic ecosystem, says report”