While it has long been known that rice fields emit significant amounts of methane, this study is the first to look at methyl halide emissions there. (scientificamerican.com)
Wells that produce significant amounts of methane can ignite right at the faucet, though sometimes this is naturally occurring and has nothing to do with fracking. (politico.com)
While Uranus and Neptune are mostly composed of hydrogen and helium, they both contain significant amounts of methane ice, which gives them their bluish appearance. (sciencedaily.com)