• Availability: the biggest one because it is readily available in the air. There is no element on the earth that is as abundant as hydrogen. (Energy, 2015) Disadvantages • Dependency on Fossil Fuels: you need other resources like coal to separate it from the oxygen. • Flammable: hydrogen has a lot of stored energy and there are constant reminders of the risks associated with it. • Ease of Replacing Infrastructure: the bills just seemed to rise when trying to replace the traditional methods with the use of hydrogen and to add on to that there is not existing hydrogen infrastructure to start off with in the first place.
Our planet could potentially flood if this trend does not stop. It would not only hurt the habitats of polar animals, but also endangers all of Earth’s creatures and humanity as a whole. Today’s top resources, being coal, oil, and natural gas, are terrible for humanity, animals, and plants alike. There has to be better options for the well-being of our wonderful earth. Even though fossil fuels are the world’s main source of energy and are considered to be the best option, there are cleaner, more efficient forms such as wind,
Aramex, together with its suppliers should draw a line between targets that ensure complete reduction of emitted carbon footprint and targets that ensure the reduction in intensity of emitted footprint. Complete emission reduction targets which imply absolute reduction may initially appear to be more alluring because change in climate will progress even if emissions per unit of product sold degenerates and a company just manufactures more products. But companies can meet absolute targets by selling emissions-intensive operations. On the other hand, the targets on intensity emissions factor in real growth and emissions performance Hertwich and Peters (2009). Prior Logistics planning can definitely make a huge difference.
Fossil fuels are not healthy for the environment. Energy subsidies seek to strengthen the idea of moving toward renewable energy sources. Historically, the United States energy sector has mainly depended on natural gas and petroleum, whose emissions are harmful to the environment. In recent years, especially in light of global warming, the idea of renewable energy systems has quickly grown. Energy subsidies, in this case, are utilized to diminish contamination, including distinctive discharges, and to satisfy universal commitments, like the Kyoto
China’s Policies on Climate Change Climate change has become a global issue because it is an utmost overwhelming environmental problem faced by the people living on earth (Harris 2011). It is a serious warning informing the people living on planet earth that our mother earth is in trouble. The change in climate is due to greenhouse gases like carbon dioxide, methane, nitrous oxide and fluorinated gases that cause global warming. Greenhouse gases absorb the heat released into the atmosphere and cause global warming (United States Environmental Protection Agency 2012). The reason that China is known to be the largest greenhouse gases emitter is due to its high population (Hung & Liu 2011).
Recently, transport has cause significant detrimental effects on the built and natural environment, and hence on individual’s lives. It also contributes significantly to global warming. The environmental aspects of transport sustainability are concerned with atmospheric and noise pollution, land takes, resource use, the effects of waste disposal on the natural environment. The largest impacts come from transport use, but the effects from development and construction of infrastructure and vehicles, as well as the waste from their disposal, add to the environmental costs of transport. In general, transport makes travelling much more convenient as it brings people to certain places at certain times but this is not what this research paper is about.
1. Introduction Raising uncertainty about global energy production and supply, environmental concerns due to the use of fossil fuels and the high price of petroleum based products are the main reasons for invention of alternatives to petroleum based products. The global supply of petroleum based products from the conventional sources is improbable to satisfy the growth in energy demand over the next quarter century . One of the main driving force for biodiesel widespread is the emission of greenhouse gases (CO2 being the major one). In this perspective, considerable attention has been given towards the production of biodiesel as a diesel substitute.
Depletion of natural resources is one of the global environmental problems of mankind. Natural resources are objects and phenomena of nature that are used to meet the material, scientific or cultural needs of society. The economic growth and well-being of many countries depend to a large extent on the level of development of the oil industry. It is obvious that fossil fuels like oil are non-renewable resources of our world, and its depletion is a big problem for environment as well as its inhabitants. People use huge amount of oil for their everyday needs, so that is why year by year this resource becomes exhausted.
I. Introduction The widespread use of fossil fuels recently causes ozone depletion, global warming, atmospheric pollution and worldwide energy shortage which are the serious environmental problems today (Dai, Zhou, and Liu, 2011). Harvesting low grade heat (LGH) from environmental sources such as waste heat from power plants, automobile engines and solar panel substrates, has proven a way to meet the demand in electrical energy (Xu, Liu, Lim, Qiao and Chen, 2012). About 25% of the energy is converted into useful energy in a normal gasoline engine for cars while the rest is rejected through coolant and exhaust gases as waste heat (Yang and Stabler, 2009). This huge amount of waste heat leads to thermal pollution and to solve these problems, it is necessary to facbricate low cost and eco friendly energy converter to deal with modern society (Xu, Liu, Lim, Qiao and Chen, 2012).
Air pollution caused by automobiles, buses, and growing hazardous industrial emissions is severe and efforts are being made to cut down the automobile emissions by imposing stricter standards and carbon taxes need to early switch over to cleaner fuels. Beyond measurable carbon emission, at present day climate change vulnerability in 1 Kolkata city area is really crucial due to mismanagement of transport ecosystem followed by corrupt political environment and lack of efficient (good) governance. Asia’s motorized transport emissions have become a significant contributor to the global problem of greenhouse gas (GHG) emissions which leads to climate change accordingly. In 2009, transport was responsible for 23% of global GHG emissions compared with 41% for energy. But by 2035 transport is expected to become the single largest GHG emitter accounting for 46% of global emissions, and by 2050 it is set to reach 80%.