Concentrations in the atmosphere of the powerful greenhouse ... Methane is the second most abundant greenhouse gas produced by human activity after carbon dioxide, with agriculture, energy ...

The most abundant HFC warms the planet warms the ... The average lifespan of this gas in the atmosphere is about 550 years.

Cornell researchers have discovered a way for ammonia oxidizing archaea (AOA), one of the most abundant types of microorganisms on Earth, to produce ...