-The United Nations   Concentrations of carbon dioxide in the atmosphere have crossed a new threshold, the United Nation's weather agency today confirmed, warning that time is running out to curb rising greenhouse gas emissions. In April, monthly concentrations of carbon dioxide (CO2) in the atmosphere topped 400 parts per million (ppm) throughout the northern hemisphere, the UN World Meteorological Organization (WMO) reported. "This threshold is of symbolic and scientific significance and reinforces evidence...

-The Times of India   NEW DELHI: Emissions of fine particulate matter or PM2.5 in Delhi have increased by 11.5% over the past four years, according to a GIS-based inventory prepared by Indian Institute of Tropical Meteorology (IITM), an autonomous body under the ministry of earth sciences. The transport sector appears to be the worst culprit as it's the biggest contributor to this jump followed by manufacturing industries and power plants. After...

-The Times of India   NEW DELHI: An expert group of Planning Commission has pitched for major investments to reduce country's carbon footprint, saying India needs to invest $834 billion in nearly two decades to be firmly on low carbon and environment-friendly growth trajectory. It also stressed on use of renewable energy resources in big way, saying at least one third of power generation by 2030 must be fossil-fuel free. The group,...

-PTI   NEW DELHI: Delhi is the most polluted city in the world when it comes to air quality, according to a WHO study released today. The 2014 version of the Ambient Air Pollution (AAP) database contains results of outdoor air pollution monitoring from almost 1600 cities in 91 countries. The national capital has the highest concentration of PM2.5 - particulate matters less than 2.5 microns- form of air pollution, which is considered most...

-The United Nations   From farming to forestry and fisheries, agriculture greenhouse emissions have nearly doubled over the past 50 years and may increase by another 30 per cent by 2050, according to new estimates out today from the UN Food and Agricultural Organization (FAO). "FAO's new data represent the most comprehensive source of information on agriculture's contribution to global warming made to date," said Francesco Tubiello of the agecny's Climate, Energy and...