On the air we breathe, how polluted it is and why, and what can be done to clean it up. Also, how the ways we travel and commute impact the environment.
On water and its various sources - surface water, groundwater, rainwater etc; the threat of pollution and depletion that they face; and ways and means to protect and conserve it.
On the basic science of climate change, why it is happening, what it means for us, and how the world is trying to cope with it.
On renewable energy, its sources and use. But also, on the issue of energy and our access to it, and the linkages between energy and climate change.
On our huge wealth of natural resources, the strong links that they have with our lives and lifestyles, and the threat of extinction that looms over them.