Carbon dioxide is a heavy hitter when it comes to global climate change. But there are some other big players that contribute to rising temperatures as well including soot and methane. While some scientists have argued to cut these emissions, a new study suggests that targeting these emissions may make much less of an impact than previously thought. (more…)
Numerous plant species on a mountain in the southwestern U.S. are migrating to higher elevations as the climate gets warmer and drier, according to a new study.
After comparing the results of a recent survey of 27 plants found on Mount Lemmon, a 9,157-foot peak near Tucson, Ariz., with a similar survey conducted in (more…)
From the LA Times last week, very clear recognition that the effects of climate change are real and growing significantly.
As they report “California is feeling the effects of climate change far and wide, as heat-trapping greenhouse gases reduce spring runoff from the Sierra Nevada, make the waters of Monterey Bay (more…)
Chinese researchers have developed a method of removing oil from polluted water using tiny barbed spikes that mimic the natural design of a cactus. Writing in the journal Nature Communications, the Beijing-based researchers describe how arrays of tiny copper spikes, similar to the cone-shaped spikes of a type of cactus known as Opuntia microdasys, (more…)
Commenting on Monday’s ruling by a federal judge in Anchorage that Shell’s oil spill plans for drilling in Alaska’s Beaufort and Chukchi seas don’t violate environmental laws, Greenpeace International Arctic campaigner Ben Ayliffe said:
“Even a cursory glance at Shell’s oil spill response (more…)
Virgin Australia this week updated its financial guidance for the financial year ended June 30, 2013. The airline cited the carbon tax among other factors that have contributed to the company’s anticipated losses. The company confirmed that the pre-tax costs of the carbon tax for the 2013 financial year were estimated to be between AUD $45 million and AUD $50 million. (more…)
This is the second in a two-part series on the water-energy nexus and this post focuses on the City of San Diego. The previous post, discussed the energy and greenhouse gases associated with moving water in the state of California. Generally, the water-energy nexus refers to how energy is consumed and embedded within the water use cycle. A common (more…)
Today, back to back, I experienced two different sides to an important argument that I hope readers will find interesting. I had a meeting this morning with Richard Stuebi, a gentleman who’s been in and around the game of raising capital for cleantech start-ups long before I had the idea. He’s a believer in the importance of the development of technology from the standpoint of (more…)