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originally posted by: Shake77
the climate has been changing for billions of years
your so called naysayers have the point of view that man has not changed it only added slightly to what happens naturally
the facts of history prove this over and over. i believe history not millionair scientists that are payed out my taxes to skew data to get more of my taxes. but yes we should not pollute at all i feel more sorry for the fish at the moment.
the point on this story for me is we should have controlled the population of the poor in the already dry barren lands instead of spending our taxes over the last 50 years feeding them and making the eventual suffering worse to a much larger population dependant on our bloody taxes.
originally posted by: pikestaff
From what I have read from the climate sites I visit, in Roman times there were hardly any glaciers in Norway, so it must have been 'warm'.
Here's a mystery, no world temperature change for the last 16 years, yet Antarctic sea ice is at its highest 'since records began' ?
If you think climate change is something that is going to happen, you might want to take 60 seconds to observe what is happening now.
In this short animation, the oldest sea ice (10 years or older) is white while the new ice (1 year) is light blue. Watch as the oldest sea ice is rapidly destroyed as a result of climate change.
Under normal conditions, the footprint of the sea ice grows during Fall and Winter and shrinks in Summer. Ice that survives the Summer melt gains thickness and is more likely to continue to grow year after year. The oldest ice at the center is also the thickest and forms the core of the floating sea ice – a critical natural climate regulator.
As the sea ice melts, the Albedo effect of the sea ice diminishes. In other words, less of the sun’s radiation is reflected back into space. With the loss of the Albedo effect, the darker, warmer liquid water absorbs heat from the sun, creating a cycle of melting and increasing the acceleration of global temperature rise.
The melting of the sea ice is also related to the melting of the land-based permafrost in the arctic circle – another major accelerator of climate change.worldbusiness.org...
Food security exists when all people, at all times, have physical, social and economic access to sufficient, safe and nutritious food which meets their dietary needs and food preferences for an active and healthy life.
why assume that it is in any way caused this time by man's activities over and above natural variability?
n The Population Bomb's' opening lines the authors state that nothing can prevent famines in which hundreds of millions of people will die during the 1970s (amended to 1970s and 80s in later editions), and that there would be "a substantial increase in the world death rate." Although many lives could be saved through dramatic action, it was already too late to prevent a substantial increase in the global death rate. However, in reality the global death rate has continued to decline substantially since then, from 13/1000 in 1965–74 to 10/1000 from 1985–1990. Meanwhile the population of the world has more than doubled, while calories consumed/person have increased 24%. The UN does not keep official death-by-hunger statistics so it is hard to measure whether the "hundreds of millions of deaths" number is correct. Ehrlich himself suggested in 2009 that between 200-300 million had died of hunger since 1968. However, that is measured over 40 years rather than the ten to twenty foreseen in the book, so it can be seen as significantly fewer than predicted.
The world produces enough food to feed everyone. World agriculture produces 17 percent more calories per person today than it did 30 years ago, despite a 70 percent population increase. This is enough to provide everyone in the world with at least 2,720 kilocalories (kcal) per person per day according to the most recent estimate that we could find (FAO 2002, p.9). The principal problem is that many people in the world do not have sufficient land to grow, or income to purchase, enough food.