As ECO prepares for its annual conference in August, themed around climate change and water, we background some recent news stories on climate change issues.

Arctic sea ice falls to new low. Data published by the US National Snow and Ice Data Centre shows that the Arctic sea ice was at historic low levels in May. Retreating ice is a problem because the exposed oceans absorb more heat rather than being reflected back into space.
Snow cover in the Northern Hemisphere was at the lowest level in 50 years this April.  Read more.

Warmest autumn in New Zealand since 1938. Niwa’s climate summary for autumn shows that the national average temperature for March, April and May this year was 1.4C above the autumn average, at 14.7C. Almost every climate station in New Zealand recorded higher than average temperatures for this time of year, which is attributed to warm seas to the west, some of the warmest seen in the last 100 to 130 years.  NIWA predicts an unusually warm winter also.

Successful trials converting CO2 to rock

A paper published in Science this month reports on successful trials in converting CO2 to rock and storing it underground in Iceland. The new method trialled works by dissolving CO2 in water to create sparkling water and then injecting it into basalt rocks 550m underground.  The CO2 cannot escape into the atmosphere because it is dissolved and cannot rise to the surface.
Such capture and storage methods may have to be part of the solution, if, as appears to be the case, we are entering runaway climate change.

Methane gas emissions at US natural gas plants under-reported – cover-up alleged

A not-for-profit in the US has alleged that a senior official in the US Environmental Protection Agency engaged in a cover-up of the true levels of methane emissions from fracking operations across the United States.
Other studies have shown much higher emissions levels but the EPA reports using the Bacharach measuring device always showed the emissions as lower – which the industry has used to justify their operations. The group NC WARN maintain that the senior EPA official has led an ongoing attempt to coverup the under-reporting by the Bacharach device. Read more.

 

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