How much radiation damage do astronauts really suffer in space?
Astronauts get the equivalent of a lethal x-ray dose during a six-month stay at the ISS. We don't have to worry too much though.
Countries agreed to ban ozone-depleting chemicals in 1980s — but 5 CFCs are increasing to record levels in atmosphere
The 1987 Montreal protocol restricted the release of chlorofluorocarbons to the atmosphere
Iodine drives substantial ground-level ozone loss in Arctic, climate change altering natural processes: Study
Such high concentrations of Iodine was not seen in Arctic before, say scientists
UV rays can aggravate risks from heat wave
Data show UV index dangerously high in Delhi, other Indian cities