How airplane contrails are helping make the planet warmer

New research shows that condensation trails from aircraft exhaust are playing a significant role in global warming. Experts are concerned that efforts to change aviation engine design to reduce CO2 emissions could actually create more contrails and raise daily temperatures even more.

Long-term measurements document sea level rise in the Arctic

Over the past 22 years, sea levels in the Arctic have risen an average of 2.2 millimeters per year. This is the conclusion of a research team after evaluating 1.5 billion radar measurements of various satellites using specially developed algorithms.

Flesh-eating bacteria kills a Memphis man who visited Florida waterways

A Tennessee man died Sunday after he became infected with Vibrio vulnificus, a type of flesh-eating bacteria, while vacationing in Okaloosa County, Florida. Vibrio causes an estimated 80,000 illnesses and 100 deaths in the United States every year, according to the US Centers for Disease Control and Prevention, the federal government’s public health agency.

A massive seaweed bloom is smothering life from the Caribbean to West Africa

For eight years, thick mats of seaweed have smothered coral reefs, trapped sea turtles and brought economic instability to coastal communities as reddish-brown gobs of foul-smelling sargassum wash onto beaches along the Caribbean Sea, Gulf of Mexico and tropical Atlantic. These phenomena are symptoms of a massive seaweed bloom scientists are calling the Great Atlantic Sargassum Belt.