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<!DOCTYPE html>
<html>
<head>
<title>Global Warming</title>
<link rel="stylesheet" href="/Users/Mac/Documents/CYF/HTML:CSS_karma_progect/HTML-CSS-Coursework-Week1/Global-Warming.css">
</head>
<body>
<header>
<h1>Global Warming</h1>
<h2>BE A FORCE FOR THE FUTURE</h2>
<p class="pHead">Earth is warming up, and humans are at least partially to blame. The causes, effects, and complexities of global warming are important to understand so that we can fight for the health of our planet.</p>
</header>
<div id="line"></div>
<div>
<h3>DEMAND CLIMATE ACTION</h3>
<p class="block-text">The climate crisis is here, and it demands urgent action from all of us. To avoid the most dangerous impacts, we must limit warming to 1.5 degrees Celsius by the end of the century. And we can’t wait a second longer. Luckily, we already have the tools we need to meet this goal and improve people’s lives—through new jobs, better health, and long overdue justice for communities of color that are already the hardest hit by climate change.
This is an all hands on deck moment. Sign up to join the movement.
</p>
<img class="iBlock" src="https://assets.nrdc.org/sites/default/files/styles/3up_promo/public/nrdc_675459044_1200x630.jpg?itok=ImksXJsG" alt="picture of wind power">
<br>
<a href="https://www.nrdc.org/demand-climate-action">Find out more</a>
</div>
<div>
<h3>The United States Finally Joins a Global Climate Treaty That Phases Down HFCs</h3>
<p class="block-text">They may not be as high-profile as the greenhouse gases carbon dioxide or methane, but hydrofluorocarbons (HFCs) have long spelled similar disaster for the climate.
HFCs are the manmade chemicals commonly used in air conditioners, refrigerators, insulating foams, and other applications. But when they leak into the air, they pack hundreds—even thousands—of times the heat-trapping punch of carbon dioxide.
Climate scientists began sounding the alarm on HFCs more than a decade ago, warning that if we let them keep increasing, these pollutants could raise global temperatures by as much as half a degree Celsius by 2100.
Remarkably, and in a rare display of global coordination on climate action, world leaders listened and agreed to phase them down. And this October, the United States formally ratified the Kigali Amendment, an international climate treaty that commits the 145 participating countries to reducing total HFC production 80 to 85 percent by the late 2040s. The treaty amends the famously successful Montreal Protocol, which phased out chlorofluorocarbons (the precursors to HFCs) and is credited with saving the once-deteriorating ozone layer.
The global agreement—backed by environmental and industry groups as well as lawmakers on both sides of the aisle—is the culmination of more than a decade of diplomacy, policymaking, and advocacy. It was shaped at every step of the way by NRDC leadership and expertise.
</p>
<img class="iBlock" src="https://assets.nrdc.org/sites/default/files/styles/3up_promo/public/nrdc-in-action-long-road-kigali-amendment-nasa-ozone-614887826-rm-1200x630.jpg?itok=UZM0Bozs" alt="picture of US Parlament members">
<br>
<a href="https://www.nrdc.org/stories/united-states-finally-joins-global-climate-treaty-phases-down-hfcs">Find out more</a>
</div>
<div>
<h3>Climate Tipping Points Are Closer Than Once Thought</h3>
<p class="block-text">We often think of global warming as being linear: Emit too much carbon and the planet’s thermostat goes up proportionally. And, while this is generally true, the resulting climate consequences—like severe drought—don’t necessarily follow that track. In other words, 10 percent more CO2 doesn't just equal 10 percent more impact.
The more complex reality is that the cumulative effects of continued greenhouse gas emissions could potentially trigger what scientists refer to as climate tipping points.These are critical thresholds that, once crossed, tip a natural system into an entirely different state and lead to potentially irreversible, catastrophic impacts for the planet—including more warming.
The Intergovernmental Panel on Climate Change (IPCC) notes that more than a dozen natural systems—from ice sheets to the Amazon rainforest—are at risk of “tipping.” And although the actual tipping process could take years or even many centuries, it’s possible that once a threshold is passed, the shift is, essentially, a done deal—even if emissions are halted or reversed. In the case of the Amazon rainforest, for example, hitting a climate tipping point, particularly in the face of continued deforestation, could eventually turn the tropical forest into an arid savannah. “Whether it’s a vast carbon store—like the Amazon or the boreal—or other critical natural systems, we must work to keep them as resilient as possible to a changing climate,” says Jennifer Skene, natural climate solutions policy manager at NRDC. “Their protection should be the focus at the local, national, and international level.”
This approach rings essential in the face of a growing body of evidence that suggests we’re much closer to these planetary points of no return than once thought. Here’s what that means.
</p>
<img class="iBlock" src="https://assets.nrdc.org/sites/default/files/styles/3up_promo/public/nrdc-climate-tipping-points-21.00224727-1200.jpg?itok=eQJaG6mo" alt="picture of polluted seashore">
<br>
<a href="https://www.nrdc.org/stories/climate-tipping-points-are-closer-once-thought">Find out more</a>
<br>
<br>
<br>
</div>
</body>
<footer>
<p>©Olha Danylevska<br>e-mail: odanilevskaya2@gmail.com</p>
</footer>