Kokova Magazine

Would you like to generate cheap, green electricity from sunlight? Then installing photovoltaic (PV) cells could be for you. Photovoltaic cells are used in solar electricity systems to capture the sun's energy.

Solar water heating systems use free heat from the sun to warm domestic hot water. A conventional boiler or immersion heater is then used to make the water hotter, or to provide hot water when solar energy is unavailable.

Over £1 billion worth of energy is wasted in the UK every year by people leaving appliances on standby. Minimising in-home energy consumption is about you taking control and managing your energy usage. Here are some tips that can help you take control of your home entertainment and electronics energy usage.

Wood fuelled heating systems generally burn wood pellets, chips or logs to power central heating and hot water boilers or to provide warmth in a single room. Take a look at the ways wood can be used to heat your home.

Hydroelectricity systems generate electricity from running water - usually a small stream. Small (micro) systems can produce enough electricity for lighting and electrical appliances in an average home.

In five days, world population is projected to reach 7 billion. How we respond now will determine whether we have a healthy, sustainable and prosperous future or one that is marked by inequalities, environmental decline and economic setbacks, according to The State of World Population 2011 report, published today by UNFPA, the United Nations Population Fund.