The one-year anniversary of the death of environmental legend David Brower has come and gone, just a week after the U.S. Department of Justice decided not to appeal a dolphin protection lawsuit the Earth Island Institute filed with Dave back in 1999. Dolphins on the run. Photo: NOAA. For reasons that are still unknown, a small portion of the world's tuna swim with dolphins in the Eastern Tropical Pacific Ocean. Ever since the late 1950s introduction of mile-long purse seine nets, fishing fleets have deliberately chased and netted dolphins in order to catch the tuna swimming beneath, resulting in the …