Friday, August 12, 2016 — Well-understood physical and chemical processes can easily explain the alleged evidence of a secret, large-scale atmospheric spraying program, commonly referred to as “chemtrails” or “covert geoengineering,” concludes a new study from DGE, University of California Irvine, and the nonprofit organization Near Zero.
Some groups and individuals erroneously believe that the long-lasting condensation trails, or contrails, left behind aircraft are evidence of a secret large-scale spraying program. They call these imagined features “chemtrails.” Adherents of this conspiracy theory sometimes attribute this alleged spraying to the government and sometimes to industry. more »
Friday, August 5, 2016—Offering a rare insider analysis of the climate assessment process, Katharine Mach and colleagues at the Department of Global Ecology examined the writing and editing procedures by which the Intergovernmental Panel on Climate Change creates summaries of their findings for policymakers. Despite recent critiques that these summaries are too difficult for non-experts, Mach and colleagues found them comparable to reference texts in terms of reading comprehension level. Their results are published by Science Advances. more »
Tuesday, July 19, 2016 — It is imperative that society learn more about how climate change contributes to episodic and very severe water quality impairments, such as the harmful algal bloom that caused Florida to declare a state of emergency earlier this month, says Anna Michalak in a commentary published by Nature. “The scientific community has made remarkable progress in understanding the role of climate in the occurrence and intensity of droughts, storms, and other extreme events relating to water quantity,” Michalak writes. “It is time for a similar examination of extremes in water quality.” more »
Monday, July 18, 2016— July 2016 marks the 10th anniversary of a scientific idea hatched in a distant valley along Kauai Island’s northern coast in the central Pacific. Kauai’s Limahuli Valley was the birthplace of Spectranomics—to map the linkages between plant species, canopy traits, and their spectral properties. Today more than 13,000 canopy specimens later, each meticulously collected and transported from sites arrayed around the world and then analyzed in our laboratory and archived in a Frozen Forest of more than 3,000,000 tissue samples, representing about 10,000 species, and more than a third of forest canopy species thought to occur on Earth, the resulting Spectranomics database continues to yield new discoveries about plant canopy traits, spectral properties, and their relatedness. more »