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Annual cleantech investments volume analysis

Year Deals Investment ($mil)
2005 100 $532.7
2006 180 $1,779.6
2007 * 168 $2,604.9
*2007 data through 30 Sept 2007
Source: NVCA / Thomson Financial

The North American cleantech venture capital investment covers more than US$ 8.8 billion of cleantech venture investments over a 10-year period (from 1999 through to the end of 2005), and projects cleantech investment to the end of 2009. The report forecasts that capital dedicated to cleantech could total US$10 billion from 2005 through 2009.



what is cleantech?
Clean is more than green

Clean technology or "cleantech" new technology and related business models that offer competitive returns for investors and customers while providing solutions to global environmental challenges.

Cleantech should not be confused with the terms "environmental technology" or "green tech" popularised in the 1970s and 80s.

While greentech, or envirotech, has represented "end-of-pipe" technology of the past (for instance, smokestack scrubbers) with limited opportunity for attractive returns, cleantech addresses the roots of ecological problems with new science, emphasising natural approaches such as biomimicry and biology. Greentech has traditionally only represented small, regulatory-driven markets.

Cleantech is driven by productivity-based purchasing, and therefore enjoys broader market economics, with greater financial upside and sustainability.

Cleantech represents a diverse range of products, services, and processes, all intended to:

  • Provide superior performance at lower costs , while
  • Greatly reducing or eliminating negative ecological impact , at the same time as
  • Improving the productive and responsible use of natural resources.

Cleantech industry segments

Determining what is or isn't cleantech isn't always easy. The Cleantech Group established and continues to refine criteria to baseline the sector definition so as to ensure consistent reporting of data in the global markets it tracks.

Cleantech spans many industry verticals and is defined by the following eleven segments:

Energy Generation

  • Wind
  • Solar
  • Hydro/Marine
  • Biofuels
  • Geothermal
  • Other

Energy Storage

  • Fuel Cells
  • Advanced Batteries
  • Hybrid Systems

Energy Infrastructure

  • Management
  • Transmission

Energy Efficiency

  • Lighting
  • Buildings
  • Glass
  • Other


  • Vehicles
  • Logistics
  • Structures
  • Fuels

Water & Wastewater

  • Water Treatment
  • Water Conservation
  • Wastewater Treatment

Air & Environment

  • Cleanup/Safety
  • Emissions Control
  • Monitoring/Compliance
  • Trading & Offsets


  • Nano
  • Bio
  • Chemical
  • Other


  • Advanced Packaging
  • Monitoring & Control
  • Smart Production


  • Natural Pesticides
  • Land Management
  • Aquaculture

Recycling & Waste

  • Recycling
  • Waste Treatment

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