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Climate bonds are fixed-income financial instruments (bonds) linked in some way to climate change solutions. They are issued in order to raise finance for climate change solutions, for example mitigation or adaptation related projects. These might be greenhouse gas emission reduction projects ranging from clean energy to energy efficiency, or climate change adaptation projects ranging from building Nile delta flood defences to helping the Great Barrier Reef adapt to warming waters.
Like normal bonds, Climate Bonds can be issued by governments, multi-national banks or corporations. The issuing entity guarantees to repay the bond over a certain period of time, plus either a fixed or variable rate of return.
Most Climate Bonds are asset-linked, with investors being promised that all funds raised will only go to specified climate-related programs or assets, such as renewable energy plants or climate mitigation focused funding programs. We want investors to be able to know they are investing in climate change solutions.
Some bond types are obviously asset-linked:
- Project bonds – where the money is in an separate company or special purpose vehicle (SPV) for a particular project.
- Asset-backed securities – where the money is for a portfolio of cash flows that are securitised in one bond, such as a portfolio of loans to renewable energy projects.
- Covered bonds – where the investor has dual recourse to the issuer balance sheet (typically a bank) and also a pool of assets that are high quality (usually mortgages too).
Corporate bonds are not generally asset-linked; the company is free to use the funds as they see fit. However, asset-linked climate bonds, using the model the European Investment Bank pioneered for their Climate Awareness Bonds, allow corporations to issue a corporate bond in terms of creditworthiness, but to interest thematic investors by agreeing to verifiably invest those funds in climate change related activities.
- Allow institutional capital – pension, government, insurance and sovereign wealth funds – to invest in areas seen as politically important to their stakeholders that have the same credit risk and returns profile as standards bonds.
- Provide a means for governments to direct funding to climate change mitigation. For example, this might be done by choosing to privilege qualifying bonds with preferential tax treatments.
- Send a political signal to other stakeholders.
Otherwise, for operational purposes, theme bonds largely function as conventional debt instruments. They are risk-weighted and credit rated in the usual way based on the creditworthiness of the issuer, and tradable, market conditions permitting, in international secondary bond markets. These instruments can theoretically be issued at all levels of the fixed income market, from sovereigns to corporate.
- ^ Environmental Theme Bonds: a major new Asset Class brewing, excerpt from Sustainable Banking – Risk and Opportunity in Financing the Future, edited by Joti Mangat, published by Thomson Reuters 2010
- ^ Mathews, Kidney, Mallon, Hughes. Mobilizing private ﬁnance to drive an energy industrial revolution. Energy Policy 38 (2010)
- ^ Mackenzie, C and Ascui. F. Investor leadership on climate change: an analysis of the investment community’s role on climate change, and snapshot of recent investor activity. Published by the UNEP Finance Initiative and UNPRI, 2009.
- ^ Iggo, C. Climate Bonds: a major new asset class brewing. Published by AXA Investment Managers
The Climate Bond Standards Board provides a certification program for Climate Bonds, similar to a “Fairtrade” kite mark.