There is not much ozone in the atmosphere, all molecules at eye level would build a layer of a few millimeters. There is also not much usable atmosphere around our planet, oxygen is down to half at 5km and beyond 30km you’ll see stars on pure black above a blue planet.
Technically the atmosphere ends with exosphere phasing out at 100km. SpaceShipOne pilot Brian Binnie returned in good shape from 112km, but consult your doc before planning an altitude of 6,000m without life support.
Most triatomic oxygen exists in the stratosphere between 15 and 25 kilometers and filters out DNA damaging solar UV-B radiation. It is estimated that 1% less ozone increases some forms of non-melanoma skin cancer by 3%.-> continue reading
Having a sailing webcam in the Arctic fascinated me from the first day I’ve found the link. Although it is only one image per hour the insight is incomparable, well despite spending some time in the Arctic for yourself on an icebreaker.
But the tremendous amount of photos leads to perception stress and some kind of overview was needed to grasp to whole picture and not to get lost in details. I hope the above result of a few hours number crunching serves this purpose (click the image).-> continue reading
Exactly why Dr. Peter Wittig - the German permanent representative to the UN - mentions and simultaneously disclaims "Green-Helmets closing coal mines" in a recent Huff Green article will remain his secret.
The day after the most important council of the UN discussed climate change and agreed on a minimal consensus and “requests the Secretary-General to ensure that his reporting to the Council contains such contextual information”.
Confronted with sea level rise, food crisis, famine and extreme weather events the Security Council failed to get boots on the ground.-> continue reading