Editor's note: If you are planning to use the news story that this lesson plan is based on for a homework ... for the effects of oil spills on the ecological balance. Direct them to sites below ...

Editor's note: If you are planning to use the news story that this lesson plan is based on for a homework ... for the effects of oil spills on the ecological balance. Direct them to sites below ...

Before the event got underway, residences had water and electrical usage measured. Readings will be taken again at the finale of the competition to see which residence best reduced its carbon ...