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Biologists in Madagascar have come up with a highly detailed conservation plan using a new tool for identifying biodiversity hotspots, which analyses an unprecedented range of species over small geographical areas.
Over the past decade, thousands of families in Rajasthan's remote villages have installed solar lighting systems at their homes, which harness solar energy to generate electricity.
Is there a global crisis unravelling? World food reserves are at their lowest in 25 years and the prices of most food crops are at a record high. This is causing inflation in several countries from Egypt to China even riots in Mexico and western Africa. G
Clearly, there is a mismatch between demand and supply of cereals. And the factors contributing to this widening gap are more than just population growth.
Extreme cold, ice and snow in 20 provinces of southern China since January have damaged crops of rapeseed, vegetables and fruits, along with some 190,000 hectares (ha) of winter wheat.
150,000 ha of rice fields were destroyed by a cold spell in Vietnam.
A study conducted by the Punjab Remote Sensing Centre and Punjab Agriculture University in 1991 revealed that the temperature during March had a pronounced effect on the yield of wheat. The yield is maximum when the temperature is within the range of 26
Extreme cold, ice and snow in 20 provinces of southern China since January have damaged crops of rapeseed, vegetables and fruits, along with some 190,000 hectares (ha) of winter wheat.