Episode Two of Climate Curious podcast is now live with our special guest, Bruce Nilles.

Did you know the biggest piece of your carbon footprint are the four gas appliances in your home: your water heater, furnace, dryer and stove? Bruce Nilles reveals this shocking truth in our latest episode of Climate Curious. Scroll to the bottom of this article for a full list of sources from the episode.

We’re also delighted to share this in-depth analysis from Bruce to tell you more about the dangers of burning natural case. The article was originally published on Energy Innovation LLC blog.

Bruce Nilles on achieving the all-electric future to protect health and the climate

Every day, millions of people turn on their gas stoves without considering the deadly pollution they’re breathing in by burning fossil fuels inside their home – with serious consequences for their health.

Gas appliances aren’t just a silent health risk, they also produce 700 million metric tons of greenhouse gas emissions each year – one-tenth of total U.S. emissions –  and accelerate climate change. Seventy million U.S. homes and businesses burn fossil fuels, and we add 500,000 new gas-burning buildings every year. This is bad news, and it has to stop.

The good news is that new clean and efficient electrified buildings are cheaper to construct than gas-burning buildings in most corners of the country – saving money, lives, and the climate.  

Veteran climate campaigner Bruce Nilles joined the hosts of TEDxLondon’s new podcast Climate Curious to discuss why we must kick our fossil fuel addiction to secure a safe climate future, and how cities are leading the way to an all-electric future that protects our health and creates equitable housing.

The toxic pollution in our homes no one is talking about

Burning fossil gas indoors for cooking, emits dangerous indoor air pollution including nitrogen dioxide (NO2) and carbon monoxide – often at levels that exceed outdoor standards and indoor safety guidelines set by the U.S. Environmental Protection Agency.

Nilles says decades of public health research show these pollutants harm human health, including EPA analysis that NO2  likely causes asthma. Despite everything public health experts know about the dangers of burning fossil fuels inside homes, no indoor air quality regulations exist, and only one state – California – requires modest levels of ventilation, but only for new construction.  A coalition of organizations recently published a report summarizing all of the public health literature looking at the dangers of gas stoves – link to report. 

This report confirmed that the lack of proper ventilation increases indoor pollution concentrations and worsens the problem in smaller and older residences, putting lower-income households at greater risk of asthma and other associated health harms. “It’s also a profound equity issue, the smaller the house, the older the house, the higher the concentration of pollution,” says Nilles.

Ending our fossil fuel addiction is simple, but we have to start now.

To avoid climate catastrophe, we must stop burning fossil fuels. “This is the decade,” Nilles emphasizes, “it’s either make or break.” So what is standing in the way?

The solution is simple and the technologies exist to break our indoor fossil fuel addiction. All-electric appliances like induction stoves and heat pumps are actually more efficient, safer, and more effective than gas appliances. And, our electric grid runs on an increasingly large amount of wind and solar, meaning the electricity that powers heating and cooking in our homes and other buildings is getting cleaner every day.

And while building new electrified buildings is cheaper than gas, retrofitting existing buildings with electric appliances to replace gas appliances is a job creation engine that with well-designed programs creates high-wage-and-benefit jobs across the construction and manufacturing industries.

All-electric buildings also saves money on healthcare over the long run. Consider that Californians spends $12 billion per year on health care for asthma treatment. It’s actually much cheaper to electrify a home and replace a gas stove than it is to treat a child for asthma in an emergency room, and right now, healthcare professionals don’t stop to ask a family with an asthmatic child if a gas stove is in the home. “We are not connecting the dots here,” says Nilles.

But getting rid of gas requires us to get started today, especially when you consider the short time frame we’ve got to get it done. Each one of those 500,000 new gas-burning buildings added to the grid every year lock in years of new air pollution, and electrifying everything means undoing decades of fossil fuel infrastructure investment. “On the individual building level, its fairly easy. But it’s also all the infrastructure. Think of the million miles of pipes under our cities,” explains Nilles.

Berkeley, California. Source: Wikimedia Commons.

Cities can lead the way to an electrified future

So how do we manage this dirty-to-clean transition? It turns out cities around the world, and across the U.S., are leading by example. Many constituencies are saying “we’ve got to do something about this climate emergency. Stop putting gas in new buildings when the planet’s on fire.”

Nilles and allied organizations worked with city officials in Berkeley, California to enact a new building code requiring all new construction, starting in January 2020, to be fossil fuel free – the first its kind in America. The ordinance got international attention and in a span of just nine months more than three dozen cities had adopted similar codes.

“It’s changed the conversation,” Nilles explains, “because its connected what people can do locally to solving a big climate change problem at the local level. It’s putting power back in the hands of people.”

The momentum for fossil fuel free buildings is building in California and all eyes are on Governor Newsom and the California Energy Commission, which are considering updates to the state building energy code that require all-electric new construction. But we’ve got a lot of work ahead. “We’ve got ten years to stop burning fossil fuels if we’re going to have a planet we recognize,” says Nilles. “The work ahead is how to do we make this more comprehensive.” California is still constructing more fossil fuel-powered buildings than any other state, and is falling behind.

How do I listen?

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Sources and Further Information from Episode Two of Climate Curious

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