Leed A Tool and an Obstacle

By 2005, if not earlier, LEED had become the last word on green building, and it is even more powerful today. That makes it even more imperative that the program work very, very well. For all the program's good qualities and all the improvements to it since its inception, there remain three outstanding challenges facing LEED today. Some of these problems would be endemic to any certification program, but they are worth discussing because green building is so important to the future of the planet that we absolutely must get it right.

First, it's damn hard (costly, complicated, and tedious) to get certified, so not that many buildings have achieved the goal. Second, LEED doesn't emphasize energy enough (though it is rapidly improving on that point). And third, LEED is fundamentally a certification system but gets treated as a guide to green building.

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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