The Answers: Sustainability. How can you learn to live more sustainably, without giving up your lifestyle, and why should you care?

Around 30% of the world’s remaining oil reserves can be found from conventional sources. The remaining 70% is contained in unconventional sources such as tar sands, heavy crude oil and oil shale.

Sustainability consists of three pillars: environmental, social and economic. The reconciliation of these three pillars is the ultimate goal of sustainable development

It was defined by the UN on 20 March 1987: “Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

As they pass over the oceans, hurricanes are affected by the temperature of the surface water they pick up. If the water is colder, the hurricane slows down and its severity drops. If it is warmer, the hurricane gathers speed and its severity increases

Renowned climate scientist James Lovelock is quoted as saying that the last time CO2 reached 450 parts per million, there were alligators at the North Pole! So it’s important to understand that global warming is one element of climate change.

Global warming is a term that has been around for a long time. It has been used to explain the melting of the ice caps and Arctic ice and to explain the terrible droughts in the developing world.