There are many issues involving the world we live in, one of which is energy. The world uses great amounts of energy each year. As the world is growing the total energy consumption is also increasing rapidly. It is said to rise by "59% from 1999 until 2020, from 382 to 607 quads." This ...

1. Identify current trends, scale and likely future sources of carbon monoxide, sulphur dioxide, nitrogen dioxide, lead, particles and photochemical oxidants..... AGA notes that considerable background material is already available on this issue including the State of the Environment Report...