Selected category: Energy-Water Nexus

3 energy-water nexus lessons from the state of Texas

With summer just around the corner, I – like many Texans – intend to spend as much time as possible in or near water when it’s scorching outside. But, even though we’ve had a wet winter, I can’t help but think of the terrible drought that plagued Texas for years. Just a few short years ago, my dad had to sell his motorboat because there was no water in nearby Lake Travis. Then floods pummeled many parts of Texas, and some of those same lakes are full for the first time in 15 years. And, it’s not just Texas watching the pendulum swing from historic drought to heavy rains.

Following a five-year drought, California’s winter was one of the snowiest and wettest on record. Plus, regions of the Southeast and Northeast have experienced unprecedented droughts recently.

Many fear these extremes are the new normal as climate models suggest drought and floods will be intensified under a changing climate. This data supports why it’s critical to ensure the stability of our future water supply. Fortunately, there is an inextricable link between energy and water that presents untapped opportunities to conserve water.

Known as the energy-water nexus, the link refers to the water embedded in energy and the energy embedded in water. Consider the amount of water it takes to produce and distribute electricity. As well, consider the amount of electricity used to treat, pump, and distribute water. And, while many clean energy resources are virtually water-free, traditional sources—such as coal, nuclear, and natural gas— require a significant amount of water to generate power. Read More »

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Rounding up the Water, Clean Energy, and Climate Bills in the 85th Texas Legislative Session

We’re entering the home stretch of the 85th Session of the Texas Legislature.

Now past the Session’s midway point, legislators and advocates are working hard to ensure their bills cross the finish line. Here’s a look at which water, clean energy, and climate bills have been filed, including those we hope will rise to the top.

Water bills

In the 1930s, Texas meteorologist Isaac Klein reportedly said Texas is a land of eternal drought, interrupted occasionally by biblical floods. Luckily the state is in a relatively wet period: The majority of Texas is drought-free and just under half the state is in the lowest bracket of drought.

But Texans understand water should always be on our minds, so it’s no surprise there are dozens of water bills this Session. Read More »

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Saving Energy and Doubling Worldwide Water Supplies – One Drip at a Time

Netafim HQOn a warm December day, I stood in a jojoba field in the Negev Desert in southern Israel and watched water slowly seep up from the ground around the trees. First a tiny spot, then spreading, watering the plants from deep below. This highly efficient system is known as drip irrigation, and I was there to meet with the world’s leading drip irrigation company, Israel-based Netafim.

Naty Barak, the Netafim director who I met on the visit, notes that if the world’s farmers increased their use of drip irrigation to 15 percent (up from just under 5 percent now), the amount of water available for use worldwide could double.

Drip irrigation saves more than water. Whereas traditional irrigation typically uses quite a bit of energy, drip reduces the pressure (and power) needed to get the water to the crops while reducing the need for energy-hungry fertilizers. Plus, due to the inextricable link between water and power, saving water results in further saved energy.

Texas has already enhanced its water efficiency, but it could go further and take a page out of Israel’s book. By investing in thoughtful drip irrigation now, Texas could lead the nation on expanding this innovative technology and significantly reduce the energy footprint of its irrigation sector, while protecting water supplies for our growing cities and creating more sustainable farming practices. Read More »

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Texas Leaders Can Use Clean Energy to Increase Investments and Create Jobs. Here’s How.

GA_Washington_DC4It’s that time again. Texas leaders are meeting in Austin for the 85th Legislative Session and the next five months will be an interesting wrestling match over human rights, voting rights, bathroom rights, and local rights.

But what about our economic rights? A new report Environmental Defense Fund (EDF) issued to the Texas Legislature, Texas’ Clean Energy Economy: Prioritizing Jobs, Investments, and Growth, shows the Lone Star State’s evolving electricity landscape has created enormous economic growth and jobs. The report explores the policies put in place years ago that has allowed Texas’ power market to become cleaner and more affordable, and it outlines the state’s impressive job growth in energy efficiency, wind, and solar power.

The report urges our leaders to develop and implement a bold, comprehensive Texas energy plan to create well-paid jobs, drive innovation and investment, make us more energy independent, and protect our water supplies, while improving the health of Texans and the environment. Read More »

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This Year’s Super Bowl is Energy-Efficient. Shouldn’t Texas Be?

nrg stadium flickrThis weekend, thousands of people will descend upon Houston to watch the New England Patriots and Atlanta Falcons duke it out at the Super Bowl. But the game won’t be the only thing on display.

In 2014, Houston’s NRG Stadium became one of the first major sports venues to use LED energy-efficient lights. The system uses 60 percent less power than the previous lighting array, translating to significant energy savings. What if Texas took a page from NRG’s book to lead the country in saving energy?

Texas recently kicked off its 85th Legislative Session. Now is the time for state leaders to seize on energy efficiency as a win-win-win path, creating local jobs while helping Texans save money and water, and reducing electricity waste and pollution. Read More »

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Lowering Desalination’s Energy Footprint: Lessons from Israel

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Kate Zerrenner and Leon Kaye of Triple Pundit standing in a desalination pipe at Sorek.

There’s an old expression that whisky is for drinking and water is for fighting over. The Legislative Session is upon us again in Texas, and count on water being an issue, as it always is in this drought and flood-prone state.

To start, this Session will see the approval of the 2017 State Water Plan (SWP), which is done in five-year cycles. In the five years since the last plan, Texas has gone from the throes of a devastating drought to historic flooding, which resulted in some reservoirs being full for the first time in 15 years.

Moreover, as more people move to Texas and climate change advances, there will be greater strain on the state’s water supplies. According to the SWP, Texas is already in a tighter situation than it was just five years ago: Surface water and groundwater availability will be 5 percent lower in 2060 compared to predictions in the 2012 plan, and existing water supplies are expected to drop by 11 percent between 2020 and 2070. Where are we supposed to get the water we need? Read More »

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