Countdowns

Top 10 Craziest Environmental Ideas

Many people have proposed wild ways to solve the myriad problems facing Earth, including water pollution, smog, mounds of trash and global warming. Ideas range from the rational (if not always easily implemented) to the downright zany. We've compiled a list of some of the wackier (or at least wackier-sounding) proposed solutions to today's environmental challenges. -- Andrea Thompson