Trees are not very effective as carbon sinks trees may not be the insurance against global warming we all thought they were. Their ability to store carbon dioxide has diminished due to rise in

point of origin The first humans on the North and South American continents came from eastern Siberia, not Asia and Polynesia as is believed. Researchers at the University of Michigan, USA,

an important tree species is fast disappearing in the Western Ghats. A

There's more to the gulmohar tree than what the paperbacks or college annuals say. Scientists at the regional research laboratory in Bhubaneshwar have produced several natural dyes from different

a ring can reveal a lot. Research suggests growth rings in teak tree trunks can reveal climatic changes over the years. The width of the rings are in direct proportion to the rainfall. A study of

a recent study has revealed that trees are in significant decline in the Eastern Desert of Egypt. The desert ranks among the most extreme deserts, with average annual rainfall being less than 30