As far as water goes, climate change changes everything. Past experience of rainfall, snowfall, runoff and streamflow is no longer a reliable guide for the future. We'll all be affected, but especially small farmers and the poor and marginalized, who have the least ability to protect themselves against the depredations of droughts, floods and food shortages.

The Clean Development Mechanism (CDM) is supposed to catalyze climate-friendly projects in low-income countries by allowing developers to generate revenue by selling

A quiet revolution is underway in the world of hydropower. An emerging non-dam based hydro industry holds the promise of economically viable technologies that do not deplete resources or warm the planet, and do not wipe out species, ecosystems and cultures.