Global Warming

Introduction to Inflation: Inflation refers to the rate at which the general level of prices for goods and services is increasing over time. In other words, it is the rate at which the purchasing power of a currency is declining. Inflation is typically measured by calculating the percentage change in a price index, such as the Consumer Price Index (CPI) or the Producer Price Index (PPI), over a specific period of time. Inflation can be caused by a variety of factors, including an increase in the supply of money, an increase in demand for goods and services, a decrease in the supply of goods and services, and changes in government policies, such as taxes or regulations. Inflation is considered a normal and expected part of a healthy economy, as long as it is kept under control and does not spiral out of control. When inflation is high and unstable, it can have negative consequences for the economy, such as reducing the purchasing power of consumers and businesses, causing uncertainty fo...

People in coastal regions of Asia, particularly those living in cities, could face some of the worst effects of global warming, climate experts will warn this week. Hundreds of millions of people are likely to lose their homes as flooding, famine and rising sea levels sweep the region, one of the most vulnerable on Earth to the impact of global warming, the UN states. The report – Climate Change 2014: Impacts, Adaptation and Vulnerability – makes it clear that for the first half of this century countries such as the UK will avoid the worst impacts of climate change, triggered by rising carbon dioxide levels in the atmosphere. By contrast, people living in developing countries in low altitudes, particularly those along the coast of Asia, will suffer the most, especially those living in crowded cities. A final draft of the report, seen by the Observer, will be debated by a panel of scientists set up by the Intergovernmental Panel on Climate Change (IPCC) this week at a meeting in Yokoham...

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It is the most recent episode that thick fog covers Lahore , blocking out the winter sunshine, closing off the motorway after dusk and preventing flights from landing at the international airport at night. Residents of Lahore, are facing a dense blanket of smog that has reduced visibility for commuters and been responsible for several respiratory and mental illnesses. The problem has grown worse over the last five years due to the high levels of pollution and poor air quality in the city, created by increasing vehicular, industrial emissions, coal-based power plants, and burning of agriculture waste.To break it down, smog is a mixture of different pollutants, including oxides of nitrogen (NOx), oxides of Sulphur (SOx), carbon monoxide (CO), particulate matter (PM), volatile organic compounds (VOC), and the ozone. The main pollutant responsible for smog built up is NOx. Historically, the most lethal smog was the London’s Great Smog in 1952, when more than 12,000 deaths were repor...

Nearly half of endangered mammals and a quarter of birds are already harmed by climate change—a much bigger segment than previously thought, researchers have found.Endangered primates and elephants are among the groups squeezed hardest by global warming, partly because they reproduce slowly and thus take longer to adapt to rapid environmental changes, they reported. While most studies seek to predict global warming’s future impact on animal survival, the new analysis found that for “large numbers” of threatened species, the damage was already being done.       The data suggests that “the impact of climate change on mammals and birds in the recent past is currently greatly under-appreciated,” said a study in the journal  Nature Climate Change  this week.According to co-author James Watson of the Wildlife Conservation Society, “something significant needs to happen now to stop species going extinct.”“Climate change is not a future threat anymore,” he added....

The term  global warming  means increase in greenhouse effect . The greenhouse effect is a natural process by which the earth holds some of the energy of sunrays, and utilizes it to warm it enough to sustain life on it. The human activities like burning of fossil fuels, excessive smoke discharges from factories and the depletion of forests have led to an increase in the concentration of the greenhouse gases, mainly carbon dioxide, methane and nitrous oxide, in the earth’s outer atmosphere which are responsible for trapping excessive heat inside the environment and thus increasing the overall temperature of the earth, leading to the phenomenon of  global warming  .  Global warming  has emerged as one of the major threats to our planet in this century. It has been proved that due to the increase of the greenhouse gases in our outer atmosphere, the earth’s temperature has warmed by 0.74°C over the last 100 years, leading to floods, famines, droughts and cy...