Methane is a greenhouse gas that is less abundant than carbon dioxide, but has a much more potent effect. It is also a greenhouse gas that is often present in natural systems. Zhuang et al. used computer modelling to...

As governments begin to consider regulation of greenhouse gases, many are turning to market-based initiatives. Such programs assign emitters a certain share of emissions, and allow them to trade for emissions rights in...

A site with a collection of science experiments for kids to perform and learn about testing stream/creek water to discover what kind of organisms, pH, minerals, etc. are present in their water supply. Includes a number...

Due to the presence of dissolved gases such as carbon dioxide, rainfall is naturally acidic. The release of other gases and chemicals such as sulfur dioxide during the combustion of coal and oil can cause rainfall to...

This special feature page from the American Chemical Society (ACS) showcases the up-and-coming field of "green chemistry," that is, the development of chemical products and processes that eliminate or reduce the use and...