In September the European Union announced, for a second time, that it has delayed the launch of its anti-deforestation law. In case you came in late ... this is a law that bans the importation of commodities into any of the member nations if the production of those commodities is deemed conducive to the destruction of the world's forests. One flashpoint in debate on the subject is palm oil. Indonesia and Malaysia together produce nearly 88% of the global supple of the stuff. They do it by converting their pristine forests into palm plantations. The heavy machinery involved in clearing the land itself emits hydrocarbons. But, more damningly, it causes soil erosion and water contamination. Beyond either of those points there is the main one. Forests are major carbon sinks. They absorb carbon from the atmosphere into the biomass of the vegetation. When we speak of "net carbon zero" as a goal we mean creating a world in which as much carbon comes out of t...