Green Options

According to the NAU researchers, the warming that occurred in the 20th Century and early 21st Century, “contrasts sharply” with the millennial-scale cooling trend; the last half-century being the warmest in the record, and, the decade from 1999 - 2008 being the warmest decade of the last 200 decades. Over all average temperatures were 1.4° C (about 2.5° F) warmer than the projected value based on the linear cooling trend.

An interview with and climate scientist and oceanographer Dr. Julian P. Sachs. quote from the interview: “The increase in atmospheric CO2 and methane since about 1850 are unprecedented in the last 800,000 years in terms of the amount and rate. High levels of these gases in the atmosphere in the geologic past (last 800 kyr there is excellent data from ice cores) have always been associated with warm temperatures, and vice versa. It is not a stretch to [...]

The appeal of shortwave, geoengineering is in it’s purportedly rapid, remediation impact (although no global experiments have been conducted yet). However, the combined climate impact of GHG increases with a geoengineered reduction in shortwave radiation is not known, but, it is feared, could result in environmental “winners” and “losers”–meaning some regions of the planet could experience severe drought, and even increased conflict over water resources.

A team of engineers have invented a breakthrough device that will make more accurate weather forecasts and give more advanced projections of climate change.

The high performance electronic device, known as a dual-polarized Frequency Selective Surface filter, can detect thermal emissions in the Earth’s atmosphere in ways never done before.

Nature is not entirely defenseless against rising greenhouse gas (GHG) emissions. A class of elements called halogens (fluorine, chlorine, bromine, iodine, etc., often occurring in pairs) are emitted into the atmosphere via ocean spray, where they destroy ozone (O3), a significant greenhouse gas and aerosol that promotes warming.

Fourty percent or more of the Amazon rainforest will be “decimated” by the middle of the next century even if we cut all CO2 emissions by 2050, said the UK Met Office. The finding was presented this past month in Copenhagen, which is preparing to host the UN Climate Change Conference in December.

In this satellite image of deforestation in Brazil, tropical rainforest appears bright red, while pale red and brown areas represent cleared land. Black and gray areas have probably been recently burned.

According to research based upon sea ice models from the IPCC report, Antarctica’s iconic Emperor Penguins could face extinction by the end of the century due to habitat loss.

By comparing observations spanning 43 years of population dynamics against models which project the declining levels of Antarctic sea ice, the study predicts that the giant penguins will be too slow to adapt to changes wrought by global warming.

The startling prediction is being called a conservative estimate by researchers, who claim that the data has as much as a four-in-five chance of being accurate. This number is particularly high because individual Emperor Penguins are long-lived and, as a result, biologically slow learners. Thus, they are unlikely to shift their breeding patterns fast enough to match the rapidly changing climate.