Watching Brazil's rain forest burn is causing a lot of us to freak out a bit. Referring to it as "the world's lungs" may be an overstatement, but the rain forest is a critical global resource, and its destruction undoubtedly will worsen global warming. Given that the U.S. government has dismantled many environmental protection rules, companies are beginning to step up to work on offsets. One of the firms doing this is HP, which has announced a major initiative to focus the tech industry on renewable resources and to protect old-growth forests.