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LED street lighting: Unburdening our cities

Jie Li's picture
LED street lighting in a municipal park. © Orion Trail / Thinkstock Photos.
Further permission required for reuse.
Each city is unique, defined not only by the individuals who call it home but also by the energy it exudes…and consumes. Projections indicate that 5 billion people (60% of the world’s population) will live in cities by 2050 and, according to the International Energy Agency, the overall demand for lighting will be 80% higher by 2030 than in 2005. Street lighting energy consumption is an increasingly significant part of cities energy use and a growing burden on municipal budgets.

Policy shifts to strengthen China’s power sector reform

Yao Zhao's picture
Over the past few years, China saw more investment and installation in renewable energy than any other country in the world. In fact, in the period between 2010 and 2015, investment in the sector reached $377 billion, more than the next two countries - the United States and Germany – combined. China has 150 GW wind power and 77 GW solar photovoltaic power capacity compared to the U.S., for example, which has 80 GW in wind and 35 GW solar PV.

China has performed well above the global average, shined as the regional leader in East Asia, matched, if not outperformed, OCED countries in many dimensions, many countries with much lower investments and capacity have scored higher on renewable energy indicators.

Why the discrepancy?

The World Bank's Regulatory Indicators for Sustainable Energy (RISE) could shed some light on the issue. Launched in February 2017, RISE is a policy scorecard of unprecendented breadth and depth covering energy access, energy efficiency and renewable energy in 111 countries. It focuses on regulatory frameworks in these countries and measures that are within the direct responsibility of policy-makers. The result is based on data made available to the team at the end of 2015 and thoroughly validated.
 
 

Energy storage: A critical piece of the power puzzle

Peter Mockel's picture
 Aarthi Sivaraman


Just months after a historic climate conference in Paris, I can’t help but marvel at how far the world has progressed in the uptake of renewable energy. Take solar power, for example. What used to be a prohibitively expensive endeavor just years ago, is now a household-level solution in many countries. Then there are the record-setting solar auctions in countries like Zambia, the United Arab Emirates, India, Mexico, and Peru.

So what’s the next critical piece of the puzzle in our global efforts to provide sustainable energy for all?

In my view – and that of many others – it is to establish a viable, stationary solution to store energy. While stationary energy storage on a large scale has always been around – hydro energy storage, as an example, is efficient and cost effective – it is tied to topography and difficult to add at will. The cost of batteries has also been a big obstacle to widespread deployment and was a primary reason for the electricity grid to be designed as the biggest real-time delivery systems humans have ever made.

On the brink - let's act on climate change now

Sameh Mobarek's picture


Imagine for a moment that the most advanced spaceship visited Earth in full view of the planet’s inhabitants.  From this spaceship, a humanoid life form named Klaatu emerges, followed shortly after by a menacingly large robot.  Klaatu’s message to the people of Earth is revealed in one of the climactic exchanges of this story with the protagonist, Helen Benson, a young female scientist that was at the forefront of her field:

Helen Benson: I need to know what’s happening.
Klaatu: This planet is dying. The human race is killing it.
Helen Benson: So you’ve come here to help us.
Klaatu: No, I didn’t.
Helen Benson: You said you came to save us.
Klaatu: I said I came to save the Earth.
Helen Benson: You came to save the Earth… from us. You came to save the Earth from us.
Klaatu: We can’t risk the survival of this planet for the sake of one species.
Helen Benson: What are you saying?
Klaatu: If the Earth dies, you die. If you die, the Earth survives. There are only a handful of planets in the cosmos that are capable of supporting complex life…
Helen Benson: You can’t do this.
Klaatu: …this one can’t be allowed to perish.
Helen Benson: We can change. We can still turn things around.
Klaatu: We’ve watched, we’ve waited and hoped that you would change.
Helen Benson: Please…
Klaatu: It’s reached the tipping point. We have to act.

How many people does it take to change a light bulb?

Ashok Sarkar's picture
What is this? Read on to find out.

Riddle us this. In what country are...
  • 450 million ceiling fans already in use, 40 million new ones sold every year?
  • 350 million fluorescent tube lights already in use, 10 million new sold every year?
  • 30 million air conditioners already in use, three million new sold every year?
If you guessed India, you are right.

With a population of about 1.2 billion, India is one of the largest consumer markets in the world. So it’s no surprise that household appliances account for several gigawatts of electricity usage across the country. As India’s middle class grows and people move from villages to towns and cities, electricity usage is only increasing. In fact, hundreds of millions of electric appliances will be added over the next few decades. This poses a serious challenge for India’s energy security since there already are electricity supply shortages, which often lead to chronic outages and blackouts. The surge in household appliances is also a climate change challenge—India, the world’s third-largest CO2 emitter, is predicted to continue increasing its greenhouse gas emissions at least until 2030.

But India is turning this challenge into an opportunity by tapping into energy efficiency solutions, a relatively new area with already a few major successes. Considered globally as the “first fuel,” energy efficiency is rising to the forefront of India’s quest for innovative solutions to provide 24/7 reliable and affordable electricity for all.

African women help their communities go solar

Carolyn Lucey's picture

Also available in: Arabic | Spanish

Wamayo’s solar lantern has helped her tailoring business grow.



This number cannot be emphasized enough – more than 1 billion people around the world live without access to electricity, and 2.9 billion still cook with polluting, harmful fuel like firewood and dung.

As we celebrate Earth Day, we're looking at the ways to bring energy access to those communities and transform lives, and at the same time, protect our planet’s resources. How can we make sure that the right progress for communities is the right progress for the planet? 

The good news is that the world is constantly coming up with new technology to address this challenge. We have portable, phone-charging solar lamps and energy efficient cookstoves that are affordable and practical for communities living off-the-grid. The challenge now is how to make sure the right technologies are available in affordable and sustainable ways to the communities that need them most.

Solar Sister is a social enterprise that recruits, trains, and supports African women launch clean-energy businesses in their communities, selling lights and cookstoves to their neighbors. We are organized around the principle that women must be intentionally included in discussions around energy.

Four things you can do during Earth Hour to fight energy poverty

Andy Shuai Liu's picture



On March 19, millions of people across the globe will turn their lights off for one hour. For many, Earth Hour is a time to recognize and acknowledge the array of challenges our world faces on energy, climate, and poverty.

Well over a billion people still live without electricity. Almost 3 billion still use air-polluting and carbon-emitting solid fuels (such as wood, coal and dung) for cooking and heating.
 
Some of us have seen these numbers so many times, they no longer seem as alarming as they should. Their impact has worn thin... So to recognize this reality for millions of our fellow human beings and to raise awareness of energy poverty, here are a few things you can do for Earth Hour on Saturday, March 19:

Six stories show renewable energy underpins a climate-friendly future

Andy Shuai Liu's picture

Also available in: Arabic | French | Spanish


In 2015 the world saw great momentum for climate action, culminating in a historic agreement in December to cut carbon emissions and contain global warming. It was also a year of continued transformation for the energy sector. For the first time in history, a global sustainable development goal was adopted solely for energy, aiming for: access to affordable, reliable, sustainable and modern energy for all.
 
To turn this objective into reality while mitigating climate change impacts, more countries are upping their game and going further with solar, wind, geothermal and other sources of renewable energy. As we usher in 2016, these stories from around the world present a flavor of how they are leading the charge toward a climate-friendly future.  
 
 World Bank Group

1: Morocco is rising to be a “solar superpower.” On the edge of the Sahara desert, the Middle East’s top energy-importing country is building one of the world’s largest concentrated solar power plants. When fully operational, the Noor-Ouarzazate power complex will produce enough energy for more than one million Moroccans and reduce the country’s dependence on fossil fuels by 2.5 million tons of oil.

It is time to be climate operational

Anita Marangoly George's picture
 
 Max Edkins / World Bank

The world forged a historic climate deal in Paris on Saturday, cheered on and celebrated by people around the world. Getting to that agreement has involved years of work and collaboration that resulted in what many of us thought we would not witness in our life time. The agreement is innow it's time for us to help the countries we work with to put their Intended Nationally Determined Contributions (INDCs) into action. 

Being in Paris was exhilarating. The World Bank Group team was active on many frontsthe support for carbon prices, the Africa Climate Business Plan, our work on renewable energy, energy efficiency and contribution to energy access. How do we waste less, pollute less and do more to promote energy access?  

One such initiative that was strongly supported at COP21 was the “Zero Routine Flaring by 2030” Initiative. The one-page text that took almost a year of negotiations and discussion commits endorsers to end routine gas flaring in new oil fields and eliminate ongoing “legacy” gas flaring as soon as possible and no later than 2030. If all oil-producing countries and companies endorse the Initiative, it will make available approximately 140 billion cubic meters of gas each year. If used to generate electricity, this amount of gas could power all of Africa. The Initiative was initially supported by 25 endorsers—pioneers—who recognized ending routine gas flaring as an industry practice is a no brainer and an important contribution that oil and gas companies can make towards addressing climate change. Twenty-two more endorsers have joined since the Initiative was launched to take the total to 47 endorsers representing 100 million tons of CO2 emission reduction each year and more than 40 percent of gas that will no longer be flared. At COP21, Nigeria’s Minister of Environment Amina Mohammed, announced that Nigeria will endorse the Initiative—great news for the people of Nigeria, especially those who live near flare sites.

(See an inspiring video featuring Faith Nwadishi from Nigeria.)

End routine gas flaring to stave off climate change

Anita Marangoly George's picture

Also available in: Español | Français | العربية | Русский

 
A Personal Appeal to End Routine Gas Flaring

Six months. Forty-five endorsers. We’re well on our way to an ambitious new de facto global standard for the oil and gas industry.

It feels like just yesterday senior representatives from 25 governments, oil companies and development institutions came together with the U.N. Secretary General and World Bank President to launch a global initiative—“Zero Routine Flaring by 2030”—to end the oil industry practice of routinely flaring gas at oil production sites around the world.

Today, 45 endorsers representing over 40 percent of global gas flaring have stepped forward to commit to not wastefully flare gas in new oil field developments and to end existing (legacy) routine gas flaring as soon as possible and no later than 2030.

And we expect the number of endorsers to keep growing till all major oil-producing countries and companies make the same commitment.

 

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