The ozone layer shows signs of recovery
Science BBC World, @bbc_ciencia 11 September 2014 image source, SPL caption, The researchers say the same urgency is needed to combat climate change. A United Nations study found evidence that…
Bulletin: the ozone layer is in the process of recovery and other news
In addition, Barack Obama announces a strategy against the Islamic State, Chile commemorates the anniversary of the coup in an atmosphere of tension caused by an explosion on Monday and…
Ask Nobel Prize winner Mario Molina about the ozone layer
Science BBC World, @bbc_ciencia 15 September 2014 image source, access point The work of the Mexican scientist Mario Molina, Nobel Prize in Chemistry in 1995, has been vital for the…