Upper interm II, profe Nadia (adults)


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Upper interm II, profe Nadia (adults)

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Upper interm II, profe Nadia (adults)

  1. 1. Upper-Intermediate II, profe Nadia Report: How to reduce our ecological footprint Part 1: Water pollution Water pollution is a global problem which requires ongoing evaluation. The revision of water resource policies at all levels (from international to individual acquirers and wells) is essential. Water is typically referred to as polluted when it is impaired by anthropogenic contaminants or does not support a human use. Te specific contaminants of water include a wide spectrum of chemicals, pathogens, and physical changes. It has been suggested that is it leading to worldwide causes of deaths and diseases (more than 14.000 people are affected daily). An estimated amount of 700 million Indians have no access to a proper toilet and 1.000 Indian children die of diarrhea every day. About 90% of Chinese cities suffer from some degree of water pollution, and nearly 500 million people lack access to safe drinking water. Part 2: Shortage of food resources According to a report by the FAO [Food and Agricultural Organization of the United Nations], in 2050, developing countries will need to double their agricultural production to satisfy food demand. Here are some of the reasons of the shortage: Climate change Land degradation, which affects 25% of the world population, is a factor that has serious consequences on food production; 52% of the land for agriculture and grazing is affected by a moderate or a severe form of soil degradation. For this reason, a worldwide loss of 40 thousand million dollars is estimated to happen annually. In a time when you need to produce more food, land degradation and abuse of chemicals provoke a decline in agricultural production. Climate change may exacerbate the problem of soil degradation by increasing drought and heat stress, extreme weather events and increase pests and crop diseases. Rising sea levels in the next 50 years, due to glaciers melting, will eliminate many coastal areas, destroying large cities and vital infrastructure such as roads, railways, ports, pipelines, refineries and power plants, as well as excellent arable land, thereby contributing to the loss of production and distribution of food resources. Also, the crops will be exhausted by more severe storms and intense heat waves, causing floods or wildfires. Population increase It is projected that in 2050 the global population will grow to 9100 million from the current 6700 million. This growth will require a 70% increase in agricultural production. The director general of the FAO, Jacques Diouf said: “In the next 40 years it is expected that the combined effect of population growth, strong income growth and urbanization, will result in a demand for twice as much food”. In industrialized countries the population is expected to increase only by 56 million, while in developing countries the population growth will be of 900 million in 2020. Therefore, laws that promote global population increase, such as the universal child
  2. 2. subsidy, assisted reproduction law, prohibition of abortion and laws protecting mega mining, which contaminate freshwater, help promote a worse life for every person born on the planet. Part 3: Energy, the advantages of LED - Lower cost in illumination. - More durability. - Low maintenance and all related cost. - Strong brilliant light to illuminate buildings, squares and streets with a C.R.I (color rendering index = high chromatic power). - Low luminance contamination. - Possibility to have a monitoring control of it. - If you replace 16.000 lights of 100w and 150w by LED you can save 75% of energy, you need to change it in ten years instead of two. In terms of the reduction of the ecological footprint it is like removing 400 cars from the streets. The main problem is that there are small things that people don´t know about how to save electricity, and maybe they don’t care because they don’t see any danger which could change their lives. But it´s time to become aware and do something. Part 4: Tips for reducing our environmental impact • WATER Avoid contamination of water, not littering in drains, rivers, lakes and ponds. Choose detergents and biodegradable cleaning products, as many products are very toxic. Avoid wasting water, leaving taps open unnecessarily. • CLIMATE DISASTERS Reduce emissions of greenhouse gases, responsible for climate change, it is necessary to reduce the consumption of fossil fuels, which is achieved with a reasonable use of heating and air conditioning, insulate housing, buy efficient appliances, override appliances and any stand-by electrical system is not used. Transport and its power consumption is another major emitter of greenhouse gases. Consumers can opt for a more sustainable mobility model: use any public transport and require more environmentally friendly, whenever possible, walk or ride bike. Fight forest loss
  3. 3. • FOOD SHORTAGE Develop agriculture is very important to encourage local production. End the European Agricultural Policy and the U.S. and stop subsidizing biofuels. Do not waste food, just prepare what you are going to consume. • ELECTRICITY Unplug your cell phone charger or any domestic device when they are not being used in the house. Turn off the lights in the morning when you leave your homes. If you are cold try to wrap yourself with your winter clothes instead of turning on the electric stove. Try to catch as much natural light as possible before switching on the electrical light. We are all part of this world and if we don´t reduce our ecological footprint soon we will run out of resources and be in real danger. There are many things we can all do to help, what are you waiting for?