Michael Dudley

As sales slump in New York City and the inventory of unsold real estate swells, there are signs that the once-profitable career of real estate brokerage may have had its day.

While the news from the U.S. real estate market is mostly negative, and there is disagreement about how serious the trend is and what the long-term implications are, there appears to be little chance of it influencing the mid-term elections.

For decades corrupt and unscrupulous waste disposal practices have targeted African countries for toxic dumping. Now the enormous surge in the production of e-waste is magnifying this problem.

Colleges and universities are finding innovative ways to be community leaders in waste reduction, renewable energy and green procurement. But their reasons are not selfless.

Research shows that New York City's heat island could be mitigated by increased vegetation and green roofs.