Glaciers

In the Swiss Alps, a surprising solution using sheep's wool is being tested, which has been found to slow down ice melting and provide a new use for a local resource that is mostly discarded. The initial results are encouraging – but it is important to clarify that even the most creative solution is no substitute for fighting global warming by reducing greenhouse gas emissions, which stem...

Researchers have enlisted narwhals, known as "sea unicorns," to study the remote Arctic regions. By attaching satellite transmitters to six individuals, scientists gathered unique data on temperature and salinity in East Greenland's fjords, collecting in three years an amount of information equivalent to 130 years of observation.