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Global Warming
Zachary Coombs
Fact 1 When the planet Earth was created almost 4 Billion years ago, its atmosphere contained less than 1% oxygen. The concentration of carbon dioxide in the atmosphere was as low as 190 parts per million during the last Ice Age, about 21,000 years ago. Fact 2 Plants, via photosynthesis, convert carbon dioxide to oxygen, eventually reaching 21% of the atmosphere. Animals operate in the opposite way than plants: they take up oxygen, burn organic matter (food), and release carbon dioxide as a byproduct Fact 3 About 75% of the annual increase in atmospheric carbon dioxide is due to the burning of fossil fuels. Fact 4 In 2007, it is estimated that there are over 800 Million Motor Vehicles on Earth. Motor vehicles (cars, trucks, buses, and scooters) account for 80% of all transport-related energy use.
Fact 5 1998 was the warmest year on record. For the next 3 years, each year was second only to 1998. Then in 2005, the pattern broke - it equaled 1998. Fact 6 Changes in land use occur when forests are converted from wild agricultural plantations to rangelands. And then from rangelands to farmed agricultural land, and then finally to urban areas. And other patterns of land degradation - such as deforestation, overgrazing, overcultivation, desertification and salinization - reduce the net uptake of carbon dioxide, increasing global warming. Fact 7 Forests in 3rd world countries are destroyed for timber, excess trees which are not needed are then burned, causing tons of carbon dioxide emissions into the atmosphere. The resulting smoke and embers from this wasteful practice takes carbon levels in the air to a higher level. These carbon molecules interact with other chemicals in the air to produce a greenhouse effect.
My opinion on Global Warming is that it is all fake and some weird tree hugger got mad seeing all the garbage everywhere and he made up this and now all the scientest are beliving him and eventuly they will find out that all of this is a big lie.
