A curious study that has just been published in Geophysical Research Letters warns about some "evildoers" that are not considered when we talk about climate change: the gases used to anesthetize patients during operations.
It's not just climate change that endangers the survival of the polar bear (Ursus maritimus), one of the largest and most threatened carnivorous mammals on the planet.
Shortly after dawn, the Solar Impulse 2 plane took off this Monday from Abu Dhabi, in the United Arab Emirates, with a historic roadmap: to go around the world using only solar energy.
Around a quarter of the CO2 from fossil fuels and cement production is absorbed by the oceans, which translates into an increase in acidification, or a decrease in PH, one of the main enemies of marine life.
The waters of the Pacific Ocean bordering the state of Washington are warming significantly from 500 meters of depth, in the area where the methane that lies in layers of the seabed goes from a solid frozen state to a gas.
Until now, the abrupt population decline that Europe suffered some 2,900 years ago was attributed by many historians and archaeologists to inclement weather.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
