Down with global CFCs
After a hiccup in global efforts to reduce ozone-damaging emissions, scientists have found that levels of the major offending gas – trichlorofluoromethane (CFC-11) – have once again started to fall.
Published by Cosmos.
After a hiccup in global efforts to reduce ozone-damaging emissions, scientists have found that levels of the major offending gas – trichlorofluoromethane (CFC-11) – have once again started to fall.
Published by Cosmos.