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[1THING] Blog: Archive for September, 2017

[ This trade dispute could upend America’s booming solar industry. Here’s what it means for you. ]

Thinking of getting solar panels for your roof? New tariffs, if imposed, could put a quick end to your project – and worry anyone concerned with climate change.


[ A breakthrough for mobile air quality data – and 3 deceptively tough challenges that paved the way ]

With these groundbreaking insights, we can scale up mobile sensing technology to track and map pollutants in cities everywhere.


[ How a tech startup and nimble non-profit exposed toxic releases during the Houston flood ]

As federal and state agencies failed to monitor air pollution after Hurricane Harvey, we measured and mapped a leaking carcinogen in real time.


[ 3 strategies for rebuilding hurricane-stricken communities ]

This is how we rebuild from catastrophic storms such as Harvey and Irma, with lower future risk for people and our economy.


[ Pruitt rules EPA under a cloak of secrecy. Here’s why you should care. ]

The EPA chief is quietly and systematically tearing down policies that protect the health and safety of all Americans.


[ New data shows changing disaster trends – and why Congress should take note ]

Hurricanes Harvey and Irma should serve as a collective wake-up call for policymakers who rush to respond to every disaster, but plan for none.


[ A hired gun for tobacco and chemical industries, this EPA nominee would undermine chemical safety ]

The push to return America to its toxic past may accelerate after Trump nominated Michael Dourson to run the EPA's chemical safety program.


[ In the Wake of Harvey and Irma, 10 Facts about Floods ]

After Harvey and Irma, 10 Facts about Floods




By John Cain, Director of Conservation for California Flood Management at American Rivers

As the people of Houston, Florida and the Caribbean struggle to recover from Hurricanes Harvey and Irma, people should consider contributing to recovery efforts and preparing for a flood in their own communities. American Rivers offers a few facts about floods to help communities prepare.

* Floods are the most common natural hazards in the United States. In terms of number of lives lost and property damage, flooding is the most common natural hazard. Floods can occur at any time of the year, in any part of the country, and at any time of the day or night. While heavy precipitation is the common cause of flooding, hurricanes, winter storms, and snowmelt are common, but often overlooked, causes of flooding.

* Floodplains provide roughly 25% of all land-based ecosystem service benefits yet they represent just 2% of Earth’s land surface. Floodplains are the low lying areas that surround rivers and other water bodies that naturally flood on a frequent basis. Natural, frequent flooding makes floodplains the “lifeblood” to surrounding areas. They provide clean water and wildlife habitat among many other benefits including one of the most visible functions, the ability to store large volumes of flood water and slowly release these waters over time.

* Wetlands in the US save more than $30 billion in annual flood damage repair costs. Wetlands act as natural sponges, storing and slowly releasing floodwaters after peak flood flows have passed. A single acre of wetland, saturated to a depth of one foot, will retain 330,000 gallons of water – enough to flood thirteen average-sized homes thigh-deep

* Over the past century, we have experienced more intense and frequent storms. Over the last 50 years, Americans have seen a 20% increase in the heaviest downpours. With a changing climate, we know that the size of the nation’s floodplains will grow by 40 to 45% over the next 90 years, putting more people in harm’s way.

* In 2011 alone, there were 58 federal flood disaster declarations, covering 33 different states. The 2011 flooding damages cost over $8 billion, caused 113 deaths, and exceeded the 30–year averages.

* The federal government provides flood insurance to homeowners, but the National Flood Insurance Program (NFIP) is $25 billion in debt to federal taxpayers because premiums are not keeping pace with the increasing risk of floods. Claims have increased significantly over the last 15 years due in large part to Hurricanes Katrina and Sandy. Hurricanes Harvey and Irma will certainly increase the overall NFIP debt. Most homeowners at risk of flooding don’t have flood insurance and are thus at the mercy of disaster assistance, which costs taxpayers billions of dollars per year in addition to claims paid by the NFIP.

* Roughly 17% of all the urban land in the United States is located in the “100-year” or high risk flood zone. If you live in a high-risk area and you have a federally backed mortgage, you must buy flood insurance. Flood insurance costs vary, but the average cost is $550 per year. If your community participates in FEMA’s voluntary Community Rating System (CRS), you can save up to 45% on your insurance premium. If you live near the 100-year floodplain, you should seriously consider purchasing flood insurance.

* Over the course of a 30-year mortgage, homeowners in the 100-year floodplain have a 1 in 4 chance or greater of being flooded – twice the probability of fire damage. Floods are not limited to the 100-year floodplain and 100-year floods can happen more frequently than once every century. Over 20% of the flood insurance claims and one-third of all flood disaster assistance is for flood damage outside the 100-year floodplain. The concept of a 100-year flood is a statistical projection that refers to the flood event that has a 1 percent probability of occurring in each and every year. As the climate changes, the size and area subject to the 100-year flood will increase.

* Flood mitigation practices that reduce the loss of life and damages to properties provide $5 in benefits for every dollar invested. When homeowners and communities take steps to protect themselves and to reduce the impacts of flooding through mitigation practices such as elevating or flood-proofing their homes, moving flood prone structures out of harm’s way, and investing in “natural defenses” they can save themselves and taxpayer’s money because it’s less expensive to prepare for a flood than it is to keep cleaning up afterwards.

* Levees can and do fail, often with catastrophic consequences
. An estimated 100,000 miles of levees crisscross the nation. There is no definitive record on the exact number or the condition of those levees. We do know that over 40% of the US population lives in counties with levees and that many of these levees were designed decades ago for agricultural purposes but now have homes and businesses behind them. Setting back levees to give rivers more room to safely carry flood waters is often the best way to protect communities from catastrophic floods. Giving rivers more room provides other benefits such as clean water, parks, and wildlife habitat.


[ Here’s what’s insensitive, Mr. Pruitt: Not telling hurricane victims what’s really going on ]

Refusing to discuss climate change during catastrophic storms is like telling people to shut up about germs during a flu epidemic.


[ Nothing stood in Irma’s way – that’s why she turned into a monster storm ]

It’s as if Earth is running a controlled scientific experiment to show us, with terrifying detail, what happens when rising global temperatures fuel powerful storms.