2019 most controversial: Don’t believe the keto hype – Big Think

<h4>2. Replace old decorative lights</h4><p>The environmental impact of the festive season in the developed world is huge. <a href=”https://www.cgdev.org/blog/us-holiday-lights-use-more-electricity-el-salvador-does-year” target=”_blank”>Christmas lights in the United States use more electricity than El Salvador</a> does in a year.</p><p>The US Department of Energy calculates <a href=”https://phys.org/news/2015-12-christmas-energy-entire-countries.html” target=”_blank”>Christmas and Thanksgiving decorative lights consume 6.6 billion kilowatt hours</a> of electricity a year, enough to power 14 million refrigerators.</p><p>Switching to LED lights can make a big difference in terms of energy consumption and carbon footprints. In fact, LED lights use <a href=”https://www.energy.gov/energysaver/save-electricity-and-fuel/lighting-choices-save-you-money” target=”_blank”>around 25% of the energy of conventional incandescent bulbs</a>.</p><p class=”caption”><a href=”https://www.cgdev.org/blog/us-holiday-lights-use-more-electricity-el-salvador-does-year” target=”_blank”><img alt=”Energy use per year” src=”https://assets.weforum.org/editor/qwLZ5eaaDWZiEEdijeBQRJ7CTwxjwcSrNXZGP6BYC6I.jpg”></a>Decorative holiday lights in the United States burn up more energy than El Salvador in a year. Image: Centre for Global Development.</p>

<h4>3. Choose gifts with care</h4><p>According to a survey by <a href=”https://www.finder.com/unwanted-gifts” target=”_blank”>US consumer website Finder</a>, more than 60% of Americans expect to get an unwanted gift this year. That’s 154 million people receiving presents worth a total of over $15 billion, half of which will be re-gifted or taken back to the store.</p><p>As the cost of Christmas rises each year, <a href=”https://www.nationwide.co.uk/about/media-centre-and-specialist-areas/media-centre/press-releases/archive/2019/12/5-spending-report” target=”_blank”>a survey by UK mortgage lender Nationwide</a> found the average family will spend more than $950 on Christmas 2019, almost twice the average UK weekly wage.</p><p>One solution could be to reduce the amount of gifts you give and donate to a charity instead. The UK’s <a href=”https://www.cafonline.org/system/search-results?indexCatalogue=sitesearch0416&amp;searchQuery=Christmas&amp;wordsMode=0″ target=”_blank”>Charities Aid Foundation</a> says 4 out of 10 people would willingly forego a present if the money was given to charity instead.</p>

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<h4>4. Reduce your holiday travel footprint</h4><p>In North America, Christmas traditionally brings airport chaos as people travel to spend the season with family and friends. Last year, <a href=”https://www.tsa.gov/news/releases/2018/11/13/tsa-administrator-2018-holiday-travel-period-expected-be-busiest-travel” target=”_blank”>a record 25 million people flew</a> for the Thanksgiving holiday in the United States.</p><p>The obvious way to avoid CO2 emissions is to not travel at all. But that can be tricky, especially around this time of year. So, when possible, consider taking the train or travelling by car instead. Carbon <a href=”https://www.france24.com/en/20190410-aviation-faces-challenge-reduce-pollution” target=”_blank”>emissions per passenger for each kilometre</a> travelled are around 285 g for air travel, 158 g on the road, and 14 g for rail, according to European Environment Agency figures.</p><p>The IATA says <a href=”https://www.iata.org/en/pressroom/pr/2019-12-12-01″ target=”_blank”>air travel emissions per passenger</a> are decreasing. And if you do choose to fly, the International Council on Clean Transportation recommends <a href=”https://theicct.org/blog/staff/fly-like-a-nerd-20191028″ target=”_blank”>flying in economy</a>, where more seats mean less CO2 per passenger, or flying direct or on newer, regular-sized planes, which use less fuel.</p><p>Reprinted with permission of the <a href=”https://www.weforum.org/” target=”_blank”>World Economic Forum</a>. Read the <a href=”https://www.weforum.org/agenda/2019/12/christmas-sustainability-trees-gifts-travel/” target=”_blank”>original article</a>.</p>

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