This issue of environmental problems by actions, directly, or indirectly, of various corporations is enormous! This site can’t expect to document many examples here, although some links above and throughout this site and section on trade related issues provide more information.
For other related issues, see also the various sections in the Environmental Issues section on this web site, which includes a look at biodiversity, conservation, global warming, genetically engineered food and so on. With many of these issues, corporate interests/actions are also discussed.
In fact, due to the centrality of corporations in many issues, because they are no doubt important players, many parts of this web site discusses their impact, either directly or indirectly. See the sitemap on this web site to explore other issues to see direct or indirect impacts on the environment due to corporate interests, actions, and so on.