At current rate seawater will turn acidic by century end. Human activities affect ocean dynamics. HUMAN activities are affecting the ocean, altering its composition and damaging it bit by bit. Several researchers have documented this, but as isolated cases.

Scott Doney, marine scientist at Woods Hole Oceanographic Institution in USA, recently reviewed researches in the past six years and evaluated the total impact of rising CO2 and pollution levels, agricultural runoff and other human activities on ocean.

For full text: http://www.downtoearth.org.in/node/1552