At least $100 million will be used to begin to retrofit city housing projects with energy-efficient upgrades, Mayor Bill de Blasio announced Thursday.

Affordable housing residents will be encouraged to use a specially devised game for smartphones and tablets linked to smart meters as part of a partnership initiative designed to reduce energy and CO2 consumption in their homes.

A number of efforts have been made to reduce the impact of data centers, both by using renewable energy to drive them, and to improve their efficiency.

Woodstove owners looking to upgrade to a newer, more efficient model may be eligible for a state-funded rebate that can be as much as $1,250, and more for low income residents.

Hundreds of vulnerable people in Scotland will have warmer homes, thanks to a £103 million fund. It includes a £14 million initiative, which offers homeowners interest-free loans of up to £10,000 for energy efficiency measures.

California regulators are speeding up water-efficiency standards for faucets and urinals in response to the drought.

Weather could power the next generation of smart windows. Researchers have created glass that tints by harvesting energy from wind and precipitation. The approach offers an alternative to other smart windows powered by batteries, solar panels, and even standard power outlets.

U.S. scientists said they have invented a cheap, long-lasting and flexible battery made of aluminum for use in smartphones that can be charged in as little as one minute.

A bakery, a fruit and vegetable processing company and a vehicle-servicing firm were among 15 Romanian organisations recognised for promoting energy efficiency.

One of the largest cancer treatment centres in Europe is to save thousands of pounds following a review of its energy management system.

Millions of homes across the UK have not had energy efficiency upgrades, according to a new report.

There are many ways to use energy with efficiency and power savings, such as turning off the lights and equipment when they are not in use ... but the best way recommended by the electrical managing agencies is to buy and to use the energy- labeled electrical products .

With over US$11 billion in revenues, the company has made its mark everywhere from aluminum cans, foil and electronics to the automobile sector.

The World Bank and the Government of India have signed an agreement for a $43 million (£29m) grant to boost energy efficiency in the country.

Light bulb technology has advanced leaps and bounds in the last decade. Now, University of Toronto students are taking their highly efficient light bulb to the next level to reduce energy consumption

Israel unveils largest solar project by any parliament in the world, the latest in a series of green measures; Edelstein: Jewish law teaches us to be responsible for the environment

Since opening in 2013, Seattle's Bullitt Center has been claimed to be the world's greenest commercial building. Now, it's been awarded Living Building certification, a mark that's regarded as the highest standard of building sustainability.

Since mid-2014, the new SENNEBOGEN 875 mobile crane has been providing its services at the quay as a handling machine that is both innovative and efficient.

HalcyonTM wireless lighting saves more energy than standard LEDs by automatically turning off unneeded lights and reporting your energy use.

It is important to note the success of some of these government-related programs, because they typically don’t get much positive press.

High-tech industrial battery manufacturer Saft will supply Sunica.plus batteries for a solar power installation at the Duhkan oilfield in Qatar, which covers an area of about 80 kilometers (50 miles) by 8 kilometers (5 miles).

Israel has installed solar panels on the roof of its parliament building, creating what it calls the largest solar field of any national assembly in the world.

BMW Motoren GmbH implemented Tecnomatix Plant Simulation software to reduce lifecycle energy consumption of car engines and the results were a savings of 3 million kilowatt hours of electricity per year.

Optimizing system with the most up-to-date laser and camera technology takes global wood processing industry to the next level. For a single debarking line this can mean close to 1 million euros in yearly wood cost savings.

Most home cooks have standard go-to methods for cooking certain dishes, but it’s good to take a step back to consider how much energy goes into preparing the food on your table and whether there’s a better, more efficient way of doing it.

The walls built of energy panels mean savings in heating costs, LED lights cut electricity consumption and an automatic system keeps water consumption under control.