What are the Health and Environmental Effects of global climate change?
What do you think or feel is the solution?
where you live on planet earth? "global warming and climate change"
Health, Agriculture and Food Supply, Forests, Ecosystems and Biodiversity, Coastal Zones and Sea Level Rise, Water Resources, Energy Production and Use, Public Lands and Recreation, U.S. Regions, Polar Regions, International, Extreme Events, Adaptation...
Maybe you should put this into a forum for open discussion... the solution would be to cut back on human developments that require things like fossil fuels so we can improve the health of our earth by being more natural.
The global climate is always changing. And there's nothing 'unprecedented' about the moderate warming since the Little Ice Age ended around 1850.
In general, climate change--in either direction--is disruptive. For example, farmers must adapt to the changed circumstances, by planting different crops, and there's always a learning curve associated with that. But global cooling is far worse than global warming.
Our current Holocene Interglacial has almost run its course, and the next glacial advance--aka 'Ice Age'--on the major continents is almost due. The upshot: less arable land and less food. If the onset is too rapid, more people will starve to death, and people at low latitudes will shoot climate refugees from higher latitudes.
I do think that there are feasible geo-engineering approaches for mitigating glacial advances. But I don't want to go into detail about that right now.
I think the most important effects from a human perspective will be those affecting the global food supply.
--Many basic food crops, such as rice and wheat, have shown to suffer reduced productivity at higher temperatures, and some are believed to be close to limits now in some places.
--The subtropical arid zones are confidently expected to expand with increased warming due to expansion of the "Hadley cells." This will hurt agriculture in these newly dry areas, which include some very important productive zones today.
--In a seeming paradox, flooding will also be an increased problem due to increased water content in the atmosphere. (This increase in absolute humidity is now an observed 20-year trend.) This, too, is an agricultural stressor, as we have repeatedly seen (by coincidence or not) over the past couple of years.
--Ecological disruptions due to warming may also be expected, but are hard to predict in useful detail due to the extreme complexity of the possible interactions. But the timing of many biological life events and the geographic distribution of many plants and animals has been shifting very significantly. Crop health and productivity can be affected via pollination, pest, or disease issues.
--Agricultural troubles are likely both to cause, and to be exacerbated by, human conflicts. (People "raid before they starve," and conflict can seriously interfere with farming, as we have seen again and again in history.)
by Ralph Schwartz 23 months ago
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by ptosis 2 years ago
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by mbuggieh 4 years ago
About 97% of all scientists accept a simple fact: Human activity on the planet Earth is contributing to global climate change. And as NOAA's National Climatic Data Center indicates: "It is worth noting that increasing global temperature is only one element of observed global climate change....
by Michelle Taylor 6 years ago
Is it really possible to reverse the effects of global warming or is it too late?
by ThunderKeys 6 years ago
I'm confused. I've read and heard arguments that global warming is really just part of a natural temperature change process for the earth. I've also read that it's completely man-made? Is it one or both of these? Please explain.
by emievil 9 years ago
I came upon this news that a study showed majority of the Americans do not believe humans caused global warming / climate change. Any idea if this is true? What about the rest of the world, what do we believe?This is the website - http://www.guardian.co.uk/environment/2 … -activity.
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