August 28

How has climate change affected the world?

NASA – Climate Time Machine

This is a fascinating gadget that illustrates the changes that have occurred to the sea levels, temperature, carbon emissions and sea ice since the 1880’s. If you’ve only got a minute choose Average Global Temperature to see how the earth’s temperature has changed from 1884 to the present day.

Launch Climate Time Machine Interactive

The NASA – Climate Resources page has many more gadgets you can use to find out about our world and our climate.

July 18

Electricity – green energy, demand & power stations

Power lines

With the carbon tax repealed by the Abbott Liberal Government we may all expect the cost of electricity to fall.

The government blamed the carbon tax for the enormous rise in power prices over recent years. But what do we actually know about the price of power? Jess Hill investigates.

Visit the ABC Radio National page and click Download Audio to hear why electricity prices rise, even though demand for electricity is falling.