Sustainable IT

Sustainable IT news, trends, analysis and practical advice

green field grass sky lush meadow field 000003126801

Radio signals can be used to boost cell-phone battery life

Researchers at Ohio State University have developed circuitry that converts radio signals from a handset into energy that can be fed back to the device's battery.


hydroelectric power Wanapum Dam

CenturyLink's new data center runs on water

CenturyLink, which runs 55 data centers, today announced the opening of a new data center that gets 85% of its power from a Columbia River dam.

Environmentally-friendly, energy-saving monitor

Greenpeace fingers YouTube, Netflix as threat to greener Internet

Rising consumer data demands puts a strain on companies' energy needs, says Greenpeace.

tim cook is a breath of fresh air to china

Tim Cook's promise is a breath of fresh air to China

Apple CEO Tim Cook is in Beijing, where he has already attracted 300,000+ people to follow his newly created profile on giant Chinese social network Sina Weibo.

Tesla Energy Powerwall Home Battery

Could Tesla Energy's batteries blow up Elon Musk's company?

Tesla's new home and business battery push requires hundreds of millions of dollars in new investment from a company that’s currently losing money. Could the company's latest venture sink Tesla?

solar house and panels

MIT says solar power fields with trillions of watts of capacity are on the way

The MIT Energy Initiative wants changes in U.S. government policies to better support a much-needed "massive deployment" of solar in the decades ahead.

Gigafactory

Can Elon Musk's battery really cut your power lines?

During Tesla's home and commercial battery announcement last week, CEO Elon Musk spoke passionately about the viability of supplying all of the world's energy needs with renewable power. All we need are two billion batteries.

Tesla Energy Powerwall Home Battery

Tesla announces commercial and home battery systems

Tesla Motors CEO Elon Musk announced Tesla Energy, the car company's battery manufacturing arm that will produce a consumer-grade battery system line and a commercial-grade battery for businesses and utilities that has unlimited...

An inverter on a free-standing solar plant

Without Tesla's batteries, the power grid could fail

The power grid was never built for the bidirectional electrical power transfer that distributed renewable energy is enabling. Batteries will reduce peak load demand and improve the overall efficiency of the grid, reducing or...

Apple store solar

Apple's U.S. facilities now get 100% of their power from renewables

In its annual environmental responsibility report, Apple notes that all of its U.S. offices and data centers -- and 87% of its global operations -- now run on renewable energy.

solarcity tesla energy storage edit edited 2

Tesla to announce home and utility-scale batteries that offer energy independence

Tesla next week will announce two battery lines, one for households and another for utilities, that will store power from renewable sources, such as solar and wind, supplementing them when the sun goes down or the weather changes.

Solar panels being installed

Feds want to add 75K new solar power workers

The U.S. Department of Energy plans to increase its previous goal of training solar power workers, including veterans, by 50%.

hatem z holding cota board highres

Start-up touts wireless charging from Wi-Fi and Bluetooth signals

Ossia today announced a wireless receiver chipset that works with existing mobile device antennas to draw power from Wi-Fi and Bluetooth transmissions.

Ivanpah Solar Power plant

California leads nation in solar installations as world sees 14% increase

California became the first state this year to receive 5% of its power from utility solar, and while that number may seem small, it's likely an early indicator of growth elsewhere in the U.S.

graphenebulb

Researchers say low-cost, longer-life graphene light bulb coming this year

Researchers in the U.K. have created a lightbulb using graphene, a material that's 200 times stronger than steel and a million times thinner than human hair.

nasa solar power satellite concept

China considering space-based solar power station

Chinese scientists say a solar power station in a geosynchronous orbit could supply a constant stream of electricity, avoiding the intermittent issues that come with nighttime back on Earth.

SolarCity rooftop panels

SolarCity to build its own power grids

SolarCity, a solar panel installer, is offering to set up mini-power grids that include battery backup, which can be deployed by corporate campuses, military bases and even cities.

sun star solar

Solar in California's urban areas could provide 5 times the power the state needs

The Golden State's commercial rooftops and other urban areas present plenty of opportunity for power generation through small- and utility-scale solar installations, according to a study in the journal Nature.

rooftop solar installation

New solar installs beat wind and coal two years in a row

Solar accounted for 32% of the new electical generating capacity in the U.S. in 2014, beating out both wind and coal for the second year in a row, according to a new report.

Load More