January 2023
Intermediate to advanced
250 pages
11h 7m
English
Recent years have seen a considerable growth in awareness of the potential harm to the environment that can be caused by so-called ‘greenhouse gases’. These gases include carbon dioxide, methane and nitrous oxide and various fluorocarbons. Generically these emissions as they relate to an activity are often referred to as its ‘carbon footprint’. As a result of increased economic activity around the world, the level of these greenhouse gases has risen significantly over the years. It is estimated that current levels are around 430 parts per million compared to 280 parts per million before the Industrial Revolution.
A view that is held by many commentators, although not all, is that this increase in greenhouse ...
Read now
Unlock full access