Dear EarthTalk: I was horrified to read recently that our oceans are actually becoming acidic, that the continued burning of fossil fuels is changing the chemistry of our seas. What’s going on?
         -- Kim Richardson, San Diego, CA

Dear EarthTalk: I understand that some companies are now looking to cut down forests and burn them as “biomass” for generating electricity. Is nothing sacred? -- Audrey Barklay, Newark, NJ