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Building technology and lighting

Buildings currently consume around 40 per cent of global energy and emit 30 per cent of global carbon dioxide with heating, cooling and lighting accounting for up to 60 per cent of a building's energy consumption, according to manufacturing company Saint-Gobain.

The high cost of such energy consumption is a major concern for property owners, especially with the imposition of stricter standards by governments.

Efficient insulation materials and coatings of glass can decrease heat loss or cooling needs by up to 75 per cent, according to a 2012 MarketsandMarkets report on global trends and forecasts in the thermal insulation market.

Initially driven by stricter building regulation in developed countries, energy-efficient building technology to keep operating costs low is increasingly requested by potential tenants – also in developing countries.

Similarly, light-emitting diodes (LEDs) are more efficient and longer lasting than traditional light bulbs. LED lighting is expanding fast into commercial and residential buildings, but also into industrial and public-lighting systems thanks to lower life-cycle costs.

Mobility

Transport accounted for 14 per cent of the world's greenhouse gas emissions in 2010, according to the Intergovernmental Panel on Climate Change, with most transport around the globe using fossil fuels as their source of energy.

This level of consumption is linked to major pollution and health problems. Developing efficient mass-transportation systems with less environmental impact is a priority for the transport sector and governments; and suppliers of intelligent transport systems are poised to benefit.

The automotive and aviation industries are also working to improve fuel efficiency. Major trends in car manufacturing include shrinking engine size while maintaining performance, the adoption of various composite materials to reduce weight and the development of electric vehicles.

Renewable energy, storage and smart grid

Wind and solar-power generation is becoming increasingly cost competitive relative to traditional power generation; furthermore, the 'Paris Agreement' reached in December 2014 will accelerate the world's transition away from fossil-fuel-based energy.

Modernising the electric grid to create a 'smart grid' is essential for integrating smaller and decentralised sources of renewable energy. Efficient energy storage solutions also become necessary.

Innovation, economies of scale and increased reliability are speeding up broader adoption, particularly in China, India and the U.S. where pollution from coal-fired power plants is enormous.

Water treatment

By 2030, demand for water is expected to be 40 per cent higher than it is today, and more than 50 per cent higher in most rapidly developing countries, according to a recent McKinsey & Co Report.

However, the Charting Our Water Future report also found the future 'water gap' can be closed, with careful management of resources and the potential adoption of water saving techniques and technologies.

Populous countries facing potential water shortages such as China and India are therefore investing heavily in water treatment systems while others are raising water tariffs. The preservation, efficient use and treatment of water are consequently key areas of focus for the clean tech sector.

Supply of water is not the only problem. Water pollution is one of the main concerns. New technologies to filter contaminants and to provide safe and clean water therefore offer attractive growth opportunities in both developed and emerging markets.

High-end water technology systems associated with filtration, desalination and water testing may offer attractive investment opportunities within the water market.