The world's population is increasing; but its supply of water is not. Empires have grown and declined due to discovery and exhaustion of their water sources, and now the West is at last catching on to the fact that abundance of water can no longer be taken for granted. For the last fifty years, wars[...]
Energy is probably the defining topic of our age. Uncertainty over the long-term availability of some hydrocarbons and nuclear fuels are increasingly prompting volatility in energy prices on world markets. Meanwhile, no serious scientist doubts that the unabated atmospheric emissions of carbon dioxi[...]