Indo-Pacific coral reefs die at pH < 7.7

And already suffer biodiversity losses during the decline from pH 8.1 (preindustrial) to 7.8. That latest number is the expected acidification for the end of this century according to IPCC 4AR, a theoretical scenario and a dangerously often quoted underestimation … Continue reading

No evidence bacteria ate methane at end of Snowball Earth

Same story as yesterday, but now 635 million years earlier. This time again no evidence can be found that it were microbes that ate climate-disrupting amounts of methane, at the end of the Marinoan ice age, better known as ‘Snowball … Continue reading

New infographic explains cloud geoengineering story

It first cost us thousands of words and various articles on cloud whitening geoengineering and presumed cloud climate feedbacks. But we feel these 8 Rembrandts might do a much better job at communicating some of the most confusing climate science:

Rapid krill decline: 80% over 35 years

Antarctica does not escape the Holocene Mass Extinction. Krill numbers have dropped sharply since the mid-70s and as a consequence penguins too are in decline, says new study in Monday’s edition of PNAS, that blames the ecological disturbances on climate … Continue reading

Today’s paradox: current Arctic ozone depletion sign of global warming

The WMO today reports rapid and record-breaking thinning of the ozone layer over the Arctic region over the course of this winter and early spring – with now 40 percent of it gone. Unusually low temperatures in the stratosphere, even … Continue reading