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THE POSSIBILITY OF<br />

A GREEN ECONOMY<br />

German statesman, Otto von Bismarck, famously remarked<br />

that ‘politics is the art of the possible’. For a long time proposals<br />

for <strong>more</strong> sustainable development actions did not succeed in<br />

the political arena, as there was little confidence that these<br />

would be technically, economically and socially possible.<br />

Pointing out that unsustainable development is inherently<br />

unsustainable has not been enough. More and <strong>more</strong> studies<br />

are, however, now emerging showing that sustainable economic<br />

development is technically possible, economically affordable in<br />

the short term and superior in the long term and has significant<br />

social benefits. The most important of the recent publications<br />

is <strong>To</strong>wards a Green Economy, i published by the United Nations<br />

Environment Programme (UNEP) under the project leadership of<br />

Deutsche Bank investment banker, Pavan Sukhdev.<br />

% 4,0<br />

3,5<br />

3,0<br />

2,5<br />

2,0<br />

1,5<br />

1,0<br />

0,5<br />

Figure 1: Projected trends in annual GDP growth | Source: UNEP Green Economy report<br />

0,0<br />

2010<br />

2015 2020 2025 2030 2035 2040 2045 2050<br />

Green investment scenario<br />

Business-as-usual scenario<br />

The report compared, by means of a macroeconomic model,<br />

the impacts of investments in greening the economy with<br />

investments in a business-as-usual (BAU) scenario. The results<br />

were measured not only in terms of traditional GDP, but also in<br />

terms of impacts on employment, resource intensity, emissions,<br />

and ecological impact. Overall the goal of the green economy<br />

scenario was to address persistent poverty and achieve the<br />

reduction of greenhouse gas (GHG) emissions, so that the<br />

atmospheric concentration will remain under 450 parts per<br />

million by 2050, a level essential for having a reasonable<br />

likelihood of limiting global warming to the threshold of 2˚C.<br />

The report concluded that an investment of about 2% of global<br />

GDP (currently US$1,3 trillion) per annum into ten broad areas<br />

can lead to GDP being 15,7% higher in 2050 than it would be in<br />

the BAU scenario. The green investments path will lead to faster<br />

economic growth within as little as six years. This is calculated<br />

by modelling the impact of the increasing scarcity of energy<br />

and natural resources, but without taking into account the<br />

potential negative impacts of climate change or a major loss of<br />

ecosystems. While the investment requirement of 2% of GDP<br />

per annum is a big number, it should be seen relative to gross<br />

capital formation, which stood at 22% of GDP in 2009.<br />

A quarter (US$325 billion) of the green investments is allocated<br />

to natural capital sectors: forestry, agriculture, fresh water<br />

and fisheries. Some of the specific measures proposed include<br />

paying forest land holders to conserve forests and investing in<br />

reforestation – annual investments of about US$15 billion that<br />

could raise the value added by the forestry industry by <strong>more</strong> than<br />

20% compared with BAU. Annual investment of US$108 billion<br />

in green agriculture to shift to the efficient use of water, extensive<br />

use of organic and natural soil nutrients, optimal tillage and<br />

integrated pest control would lead over time to enhanced soil<br />

quality and an increase in crop yields of 10% above what is<br />

possible with current investment strategies. The investments<br />

in natural capital have a particular benefit for the poor, who<br />

currently rely on subsistence farming or lack access to fresh<br />

water and enough food. It also leads to a 21,6% decrease in total<br />

water demand, a 21% increase in total forest land and a 47,9%<br />

decrease in the ecological footprint-to-biocapacity ratio by 2050,<br />

compared with BAU.<br />

Just over 15% of the targeted investments is allocated to buildings<br />

and industry, mostly for energy efficiency. Investments in transport<br />

require the second highest amount, US$194 billion per annum,<br />

and include increased energy efficiency, using clean fuels, and<br />

modal shifts towards public and non-motorised transport.<br />

The area requiring the greatest investment is energy supply –<br />

US$362 billion per annum. This will allow the penetration rate<br />

of renewables in power generation to increase to 45% by 2050.<br />

An important feature of the Green Economy report is the value<br />

of an integrated approach as opposed to single interventions in<br />

energy, for example. The investment in agriculture and forestry<br />

improves those systems’ ability to absorb carbon, and thus<br />

lowers net emissions. Similarly, increasing urban density not<br />

only reduces the total energy demand from mobility, but can<br />

also, according to other studies, raise labour productivity and<br />

lower the cost of infrastructural development. i i<br />

01 | <strong>Nedbank</strong> Sustainability Outlook

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