Technology

Solar panel installation

A new report from the Intergovernmental Panel on Climate Change (IPCC) says humanity will have to at least treble its output of clean energy by 2050, to have a decent chance of avoiding catastrophic climate change. Low-carbon energy sources currently account for about 30% of the world’s electricity, mostly hydroelectric and nuclear power. With the [...]

Electric Car Sales Are Growing At Over 100% Every Year

by John Johnston April 10, 2014
Thumbnail image for Electric Car Sales Are Growing At Over 100% Every Year

Electric car sales have now been growing at over 100% a year for at least the past 4 years. At the end of 2010, just 25,000 battery-electric, plug-in hybrid electric, and extended-range electric vehicles had been registered globally. By the end of 2011 approximately 80,000 had been registered, and approximately 200,000 by the end of [...]

Read the full post →

Cheaper Solar Power Is Driving Global Renewable Energy Growth

by John Johnston April 8, 2014
Thumbnail image for Cheaper Solar Power Is Driving Global Renewable Energy Growth

According to a report released by the UN Environment Programme and Bloomberg New Energy Finance, the share of overall world electricity generated by renewable energy is rising. This is largely because solar panel systems are becoming cheaper and cheaper. Overall, solar, wind and other renewable sources of electricity, not counting hydropower, accounted for 8.5% of [...]

Read the full post →

US Navy Plans To Beam Solar Power From Space To Earth

by John Johnston April 6, 2014
Thumbnail image for US Navy Plans To Beam Solar Power From Space To Earth

The United States Naval Research Laboratory is developing technology that will allow solar power to be harvested in orbit and beamed back down to Earth, Wired has reported. Both of the current prototype designs combine solar panels with electronics to convert the energy to radio waves for beaming down to Earth. The plan is to [...]

Read the full post →

World Will Have To Eat Less Meat And Dairy To Fight Climate Change: Study

by John Johnston April 2, 2014
Thumbnail image for World Will Have To Eat Less Meat And Dairy To Fight Climate Change: Study

The growing world population will have to reduce its meat and dairy consumption to keep global warming from rising above the “safe” 2 degrees Celsius already agreed to by governments, a study from the Chalmers University of Technology, Sweden has concluded. The study has been published in the journal Climatic Change. Although emissions from burning [...]

Read the full post →

Elon Musk Explains Why Lithium-Ion Battery Packs Are Sustainable

by John Johnston March 30, 2014
Thumbnail image for Elon Musk Explains Why Lithium-Ion Battery Packs Are Sustainable

In this video from December 2013, which Lenz Blog unearthed from YouTube, SolarCity Chair and Tesla Motors founder and CEO Elon Musk explains why he thinks the large-scale manufacturing of lithium-ion battery packs is going to be sustainable. Lithium-ion batteries are currently used in many products, including in electric cars and for solar power storage. [...]

Read the full post →

Solar Will Turn Into The ‘Incumbent’ Electricity Source In Australia

by John Johnston March 20, 2014
Thumbnail image for Solar Will Turn Into The ‘Incumbent’ Electricity Source In Australia

Australian Clean Energy Council CEO David Green has asserted that solar PV (panels) will transition from being a disruptive technology to being the “incumbent” technology in Australia, displacing coal and radically changing the way electricity is provided, RenewEconomy has reported. Green said in a presentation for the Davos Connection conference that, with the growth of [...]

Read the full post →

Norway To Invest More Of Its $920B Sovereign Wealth Fund In Renewables

by John Johnston March 18, 2014
Thumbnail image for Norway To Invest More Of Its $920B Sovereign Wealth Fund In Renewables

At a staggering $920 billion, Norway has the largest sovereign wealth fund in the world, and Norwegian Prime Minister Erona Solberg has flagged that the country is planning to invest more of that national wealth in renewable energy, RenewEconomy has reported. Norway’s immense sovereign wealth fund has largely been accrued from its fossil fuel industry. [...]

Read the full post →

Solar Power More Economical Than Natural Gas, Coal, Nuclear In Texas

by John Johnston March 16, 2014
Thumbnail image for Solar Power More Economical Than Natural Gas, Coal, Nuclear In Texas

Austin Energy is going to pay under 5 cents per kilowatt hour for electricity from 2 new solar power plants, Cleantechnica has reported. This is a couple of cents less than it estimates it could have paid for electricity from a natural gas plant (7 cents), 5 cents less than from a coal-fired power plant [...]

Read the full post →

SolarCity Partners With Best Buy To Offer Affordable Solar Leases

by John Johnston March 13, 2014
Thumbnail image for SolarCity Partners With Best Buy To Offer Affordable Solar Leases

Solar installer and leasing company SolarCity has partnered with large electronics retailer Best Buy to offer residential solar systems through 60 stores in Arizona, California, Hawaii, New York, and Oregon. Representatives from SolarCity will give interested customers a quick estimate of costs and potential savings involved in a 20 year solar lease. There are no [...]

Read the full post →