About 10 percent of human-made mercury emissions into the atmosphere each year are the result of global deforestation, according to a new MIT study. The world’s vegetation, from the Amazon rainforest to the savannahs of sub-Saharan Africa, acts as a sink that removes the toxic pollutant from the air. However, if the current rate of … Read more
A chemical element so visually striking that it was named for a goddess shows a “Goldilocks” level of reactivity — neither too much nor too little — that makes it a strong candidate as a carbon scrubbing tool. The element is vanadium, and research by Oregon State University scientists has demonstrated the ability of vanadium … Read more
In recent geological history, the so-called Quaternary period, there have been repeated ice ages and warm periods. Researchers are able to determine past climate variability from the composition of climate records. In the case of the last glacial period 100,000 years ago, ice cores from Greenland in particular provide researchers with detailed data. For example, … Read more