>> Are you an unpicky recreational drug user with green inclinations? Then read Brendan Borrell’s article in Slate to find out which illegal drugs are best for the environment. As you may have expected, getting high is generally not that great for the ecology of our planet. But Brendan does posit that “a better choice for those into the hard stuff may be heroin.”

>> The birth control pill celebrated its 50th birthday on the U.S. market — and the L.A. Times has a long article looking at its history. Wondering how green the pill is? The hormone in the pills do raise water pollution concerns, but due to the much bigger pollution problems a brand new American can cause, environmentalists generally recommend using the pill if it's the method you'll remember to use consistently — and pushing for better sewage treatment while you're at it (or maybe a little while after). But for those willing to pick a method based on eco-creds, Grist has a rundown of your birth control options and their eco-consequences.

>> Caffeine doesn’t aid concentration — at least not for uber self-tracker Robin Barooah, who tracked his concentration levels both before and after he quit drinking coffee. Find out more about Robin’s experiment and many more self-tracking feats in Gary Wolf’s fascinating New York Times article (via The Frontal Cortex). The piece could even help you figure out how to get around faster and greener — especially if you combine the knowledge with your bike and the Saris CycleOps Joule 2.0 Bike Power Meter, which Wired says “will become as indispensable as leg razors and Spandex” — if you’re a “gram-counting roadie.”

What recreational drugs are better for the planet?
Which is greener: Shooting heroin or taking meth? Using spermicide or popping birth control pills? Get the latest on today's drugs.