The efforts build on a flurry of for-profit and not-for-profit startups that aim to teach anyone to code as demand for the skills surges.

WSJ: Beyond the Three R's: Push to Teach Coding at School

The ambiguities of the GNU Public license are responsible in part for Apple's lack of interest in developing for the many Linux distributions that are licensed under GPL. By contrast, said Sanchez, BSD groups do not demand that users of FreeBSD or NetBSD code contribute their innovations to the community, and are therefore more friendly to corporations.

CNN: Apple warms up to open source community

The controversial recent revisions to the Forest Code, the national law, may yet slow the demand for planting, as they relax the constraints on landowners.

BBC: Rio +20: Joining the ecological dots