Growth in material consumption is ultimately unsustainable

When these energy efficiency projects are guaranteed using a methodology called performance contracting, they become extremely low-risk, high-yield investments—and

The two key questions are, What’s going on? And can it keep going on in this way, on this scale, at this pace, without reducing the likelihood that future generations will live as prosperously and comfortably as ours has?

So great was the change of fortune that rising prices over the eight-year period entirely canceled the price declines of the twentieth century.

According to data from the U.N. Food and Agriculture Organization, providing the additional calories needed by the 13 percent of the world who are facing hunger would require just 3 percent of the current global food supply. Consider that against the fact that around 30 percent of the world’s food supply is lost in post-harvest processing, wasted i

Ecological Footprints estimate the productive ecosystem area required, on a continuous basis, by any specified population to produce the renewable resources it consumes and to assimilate its (mostly carbon) wastes.

But like other grassroots organizations, they have no power to legislate, tax, or enforce rules.

“take-back” laws under which producers re-assume responsibility for products at the end of their useful lives. Such laws create a strong incentive for companies to reduce the materials used in products and packaging and to make them recyclable or remanufacturable.

Marketing and advertising convert wants into needs, sometimes creating new wants out of human insecurities, which are then skillfully transformed into new consumer needs that must be met.