Press Trust of India: A new study has halved longstanding projections that estimated a raise of 20 feet in sea levels if Antarctica’s massive western ice sheets fully disintegrates as a result of global warming. The flow of ice into the sea would probably raise sea levels about 10 feet rather than 20 feet, the New York Times reported quoting an analysis published in the Journal Science. Scientists also predicted that seas would rise unevenly, with an additional 1.5-foot increase in levels along the …