simbrooks:
producing by-products, be they gas, liquid or solid wastes that wouldnt have been there had nature run its own course and we hadnt interferred. I understand that some readings of effects are tainted by natural background events (like volcano eruptions), but no-one can say that we arent adding to the natural effects with our actions.
Oh yeah, definitely! Many countries are are fairly well along now recognizing and
maybe doing something about their big nasty pollution and waste... that trend will continue. Those nasties tend to kill ecosystems (or people) rather quickly, and are "easy fixes" on a relative scale.
It's only recently (within the last 8-9 years) that the impacts of
low-level pollution are being realized.Two good examples are radioactive dust from coal-burning plants, and grey water discharges. Stuff like this doesn't do harm right away, but over time it's just as bad. No, actually it's far worse, as few people want to cough up the money for proper monitoring equipment, much less implement the much more difficult cleanup. Industry HATES it when you mention low-level contamination, and I don't blame them.
Comparatively little of this has made its way to the public eye, but that won't last. I'm sure many folks have heard of endocrine disruptors? They're now one of the EPA's top study priorities. All it takes is minute quantities of this junk (contained in stuff like shampoos and over-the-counter drugs) to alter all sorts of physiological functions in a human (or plant, animal, fungus) body.
Modern science has lately been increasing its attention to this hard-to-detect low level pollution. Funding has pretty much shifted there, telling you what NSF and NIH think. There are excerpts from the new Ocean Policy Commission that recognize the need for tighter water quality standards, mostly in response to eutrophication studies. All you need is a teensy bit 'o added nitrogen in a water system to often wreak havoc on a water body.
Long-term ecological monitoring studies are not as common as you might think they are. They are in fact very rare. Without such historical databases, it is difficult to make a cast-iron case linking ecological or human health concerns to low-level pollution. And without the cast-iron case, getting legislation passed is a real bear. The best we can hope for is the increased funding to set up monitoring sites, funding to MAINTAIN THEM, and a Rachel Carson equivalent. Enflaming the public is always so much FUN to watch... from a distance.