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Wind energy is clean, renewable energy source that doesn't contribute to climate change. Wind energy is together with solar energy the fastest growing renewable energy industry in the world.

Wind turbines are spreading in almost all corners of the world and there have been some reports about negative impact on human health because of sounds coming from them. Is there any truth in that?

A team of researchers from the University of Toronto recently carried out the study with the purpose to investigate how residential distance from the wind turbines -- within a range of 600 meters (1,968.5 feet) to 10 kilometers (6.2 miles) -- affects human health.

Clean energy is becoming attractive option to many homeowners and businesses. It is not just about going green and helping our environment as it also helps you save money, especially on the long run.

Solar energy is currently the most popular renewable energy source characterized by rapid growth in installation in almost every corner of the world. Getting the quality solar quotes online makes your switch to solar energy lot easier.

Most customers search for detailed quotes complete with technical information and pay back calculations. There are many variable taken into consideration prior to choosing your solar installer.

Basically, it is all about simplifying things as much as possible. The customers want quick, detailed quotes and professional information. Some people want everything from the most fundamental questions while others are very familiar with solar and look answers for some specific and complex questions.

There is almost a general consensus among the prominent environmental scientists about the urgent need for progressive climate policies with 97% of them blaming human activities for climate change. Sadly, the politics is still far away from what science suggests and globally speaking the world is still taking cosmetic measures rather than going for the full face surgery.

Helping our climate is not only environmental question, it is a vital social question. Heck, it's even a major economic question as according to recent paper published in Nature world would save more than $20 trillion by adopting progressive climate polices that would limit warming to 1.5 degrees Celsius above pre-industrial temperatures.

The researchers claim that current climate policies are inadequate and that they would only limit global warming to around 3-3.5 degrees Celsius. We can also forget about United States  leading the way because the current US policy is anything but capable to limit global warming effect and under president Trump America has showed zero ambition to curb carbon pollution.

Coal is fossil fuel that has many negative environmental impacts, and the most harmful of them all  is global warming driven by carbon emissions which are released into the atmosphere by human activities connected with coal burning.

The latest report from North Carolina State University and the University of Colorado says that from 2008 to 2013, coal usage decreased from about 50 percent of U.S. power generation to around 30 percent, which is news that is certainly well accepted by many environmentalists.

However, the downside of this news is that this rapid decline in coal usage is not primarily related with strict environmental regulations but rather with less expensive natural gas and the availability of wind energy.

Germany is second in terms of installed solar power capacity, trailing only global leader China. German solar industry experienced tremendous increase in installed power capacity in 2008-2012 period but since then the new solar power installations have been declining steadily.

But it looks like Germany's solar industry is back on track, this time characterized by steady and slower growth and not like in its prime years by meteoric rise in PV installations.

It is expected that German solar power capacity growth should reach the 2.5GW annual expansion target this year. A few years ago, Germany introduced subsidy degression dependent on capacity growth. As a result of this solar subsidies declined gradually, and in 2016 Germany decided to shift subsidies for solar installations above 750kW from a guaranteed payment model to competitive tenders.