A cloud is formed when, due to the humidity in the atmosphere, ice crystals attach themselves to a large group of cloud condensation nuclei (CCN).
Pollution by airplanes depletes the ozone layer, which is essential for protecting all life on Earth.
About 5 billion people use airplanes as a means of transport every year worldwide.
Jet fuel contains high concentrations of sulphur - about 1000 ppm. In comparison, the sulphur content in diesel fuel is 10 ppm, ie. approx. 100 times lower than that in jet fuel.
The human brain barrier offers NO protection from nanoparticle pollution, which is why nanoparticles can be deposited directly into the brain.
Aviation emissions increased roughly 100% between 1990 and 2013 and are expected to increase even more in the future.
Exhaust from jet plane engines creates aerosols, which is also known as nanoparticle pollution.
Jet fuel contains aluminium, which is extremely dangerous to all biological life on Earth.
Top registered airlines within the last month
Short lived trails
1 Asian Wings Airways
1 KLM Cityhopper
1 Turkish Airlines
Persistent non-spreading trails
1 British Airways
1 Danish Air
1 Norwegian Air Shuttle
Persistent spreading trails
5 Cayman Airways
4 Alaska Airlines
3 Delta Air Lines
2 American Airlines
2 British Airways
2 Southwest Airlines
2 United Airlines
1 Norwegian Air International
1 Primera Air Nordic
1 Suburban Air Freight