"Policy goals" won't be enough to protect bicyclists once the cars start driving themselves. Strong standards will be necessary to govern the interactions between cars and bikes in an autonomous future.
A new study conducted by the EPA shows that 55 percent of the nation's rivers are in "poor" condition, and only 21 percent are rated as "good" and "healthy biological communities." Farm and industrial pollution are to blame.
Restorationists and environmentalists are placing their focus on urban streams and creeks, which struggle with urban pollution. Working to clean them up is turning out to be a good way to create jobs and stimulate the local economy.