Wednesday, July 19, 2017

Degradation of nature - II

Creeping normality is the way a major change can be accepted as the normal situation if it happens gradually. If the same change took place in a single step or short period, it would cause a lot of hue and cry. In Collapse, Jared Diamond discusses how societies have slowly destroyed themselves without noticing the harm they were doing until it was too late because the affects happened very gradually. An example that Diamond uses is people and societies slowly using up all their resources. Success may hide impending disaster as it might have done to Easter Islanders.

A question often asked is,  ‘Why bother about little critters? Human lives are more important.’ This argument ignores various ecosystem services that different organisms provide for free – nitrogen fixation, pollination, seed dispersal, etc. Some of these services can be replaced by human agency but they will prove expensive and some of these services will never be known till long after the damage has been done and it is too late to do anything about it. As an example of inter-relationships in nature that may not be immediately apparent, Charles Darwin writes in On the Origin of Species:
I have very little doubt, that if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover would become very rare, or wholly disappear. The number of humble-bees in any district depends in a great degree on the number of field-mice, which destroy their combs and nests; and Mr. H. Newman, who has long attended to the habits of humble-bees, believes that "more than two thirds of them are thus destroyed all over England." Now the number of mice is largely dependent, as every one knows, on the number of cats; and Mr. Newman says, "Near villages and small towns I have found the nests of humble-bees more numerous than elsewhere, which I attribute to the number of cats that destroy the mice." Hence it is quite credible that the presence of a feline animal in large numbers in a district might determine, through the intervention first of mice and then of bees, the frequency of certain flowers in that district!
Environmental issues belong to a class called 'wicked problems' which are difficult or impossible to solve because of incomplete, contradictory, and changing requirements. They are very different from relatively "tame", soluble problems in mathematics or chess. Solutions to wicked problems are not true-or-false, but good or bad and a purely scientific-engineering approach cannot be applied because of the lack of a clear problem definition and differing perspectives of stakeholders. Their solution requires a great number of people to change their mindsets and behavior. These problems have a lot of ambiguity and the consequences are difficult to imagine.

Most wicked problems are connected to other problems. Complex interdependency among various components means that trying to  solve one aspect of a wicked problem may reveal or create other problems. You cannot talk about 'optimal solutions' to these problems because there are ideological, cultural, political and economic constraints which keep changing over time. In Collapse, after identifying 12 sets of environmental problems like soil erosion, loss of biodiversity, issues due to alien species, etc., Jared Diamond writes:
People often ask, 'What is the single most important environmental/population problem facing the world today?' A flip answer would be, 'The single most important problem is our misguided focus on identifying the single most important problem!' That flip answer is essentially correct, because any of the dozen problems if left unsolved would do us grave harm, and because they all interact with each other, if we solved 11 of the problems, but not the 12th, we would still be in trouble, whichever was the problem that remained unsolved. We have to solve them all.
Global climate change has been called a 'super wicked problem' because it has the following additional characteristics: time for addressing it is running out,  it has no central authority and those seeking to solve the problem are also causing it. Don't Even Think About It: Why Our Brains Are Wired to Ignore Climate Change by George Marshall explores several psychological issues that come in the way when addressing the issue of climate change. For eg. it has no clearly identifiable enemy, has dispersed responsibility and diffused impacts making it very difficult to motivate and mobilize people around it.

When meddling with nature, it is better to err on the side of caution. From large dams to smart cities to the proposal to interlink rivers, such large multi-crore projects have always been favorites of politicians, technocrats and contractors. In Bonfire of Creeds, Ashis Nandy explains why these large projects are attractive no matter how much empirical data about their harm is provided:
It is often a major source of distributing patronage through contracts, political financing, building new networks of political obligations, generating politically powerful blue- and white- collar specialist jobs. It is also often a technology of electoral mobilization and a means through which an impression of grand political performance can be created. Such a project gradually becomes an end in itself and cultivates a certain forgetfulness about its effects on the life-support systems of a community.

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