What factors affect energy supply and how energy resources are classified.

Sustainable food resources that are likely to come in the future.

Why food security is such an issue, and where food insecurity is worst.

How can we help save our water supplies.

Why water us not equally available to all, and how we use water ourselves.

We look at the IPCC and why it is hard to predict temperature and sea levels rising.

The green house affect

Milankovitch cycles, sunspots and volcanoes

Climate change

How to mitigate the effects of a tropical storm long term and short term for people and buildings.