
Infants less than a year old should not be exposed to electronic screens, the World Health Organization (WHO) said on Wednesday.
Issuing its first such guidelines, the United Nations health agency said that older children, aged two to four, should be limited to one hour per day sedentary screen time.
The guidelines also covered sleep and exercise. Among the findings were that:
- Infants under one should interact in floor-based play — or "tummy time" — for at least an hour each day and avoid all screens.
- Children between one and four should spend at least three hours in a variety of physical activities spread across the day, with no more than an hour of screen time.
- Children shouldn't be restrained in a pram or high chair, or strapped to someone's back, for more than an hour at a time.
The WHO said under-fives should be physically active and getting plenty of sleep, and that this would establish healthy habits through adolescence and into adulthood.
"Healthy physical activity, sedentary behavior and sleep habits are established early in life, providing an opportunity to shape habits through childhood, adolescence and into adulthood," the WHO stated in the guidelines to member states.
Sedentary screen time includes watching television or videos, and playing computer games.
Being inactive is a "leading risk factor" for mortality, and is fueling a global rise in overweight and obesity, the agency said. Being excessively overweight can lead to diseases such as high blood pressure, diabetes and some types of cancer.
In a report from 2017, the WHO said the number of obese children and adolescents globally had skyrocketed tenfold to 120 million inside the past 40 years. It added that the rise was accelerating in low- and middle-income nations, especially in Asia.
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From Greta Thunberg to Sir David Attenborough, the headline-grabbing climate change activists and environmentalists of today are predominantly white. But like many areas of society, those whose voices are heard most often are not necessarily representative of the whole.
1. Wangari Maathai
<p>In 2004, Professor Maathai made history as the <a href="https://www.nobelpeaceprize.org/Prize-winners/Prizewinner-documentation/Wangari-Maathai" target="_blank" rel="noopener noreferrer">first African woman to be awarded the Nobel Peace Prize</a> for her dedication to sustainable development, democracy and peace. She started the <a href="http://www.greenbeltmovement.org/" target="_blank" rel="noopener noreferrer">Green Belt Movement</a>, a community-based tree planting initiative that aims to reduce poverty and encourage conservation, in 1977. More than 51 million trees have been planted helping build climate resilience and empower communities, especially women and girls. Her environmental work is celebrated every year on <a href="http://www.greenbeltmovement.org/node/955" target="_blank" rel="noopener noreferrer">Wangari Maathai Day on 3 March</a>.</p>2. Robert Bullard
<p>Known as the 'father of environmental justice,' Dr Bullard has <a href="https://www.unep.org/championsofearth/laureates/2020/robert-bullard" target="_blank">campaigned against harmful waste</a> being dumped in predominantly Black neighborhoods in the southern states of the U.S. since the 1970s. His first book, Dumping in Dixie, highlighted the link between systemic racism and environmental oppression, showing how the descendants of slaves were exposed to higher-than-average levels of pollutants. In 1994, his work led to the signing of the <a href="https://www.nrdc.org/experts/albert-huang/20th-anniversary-president-clintons-executive-order-12898-environmental-justice" target="_blank">Executive Order on Environmental Justice</a>, which the <a href="https://www.whitehouse.gov/briefing-room/presidential-actions/2021/01/27/executive-order-on-tackling-the-climate-crisis-at-home-and-abroad/" target="_blank">Biden administration is building on</a>.<br></p><span style="display:block;position:relative;padding-top:56.25%;" class="rm-shortcode" data-rm-shortcode-id="7983f54726debdd824f97f9ad3bdbb87"><iframe lazy-loadable="true" src="https://www.youtube.com/embed/T_VjSGk8s18?rel=0" width="100%" height="auto" frameborder="0" scrolling="no" style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></span>
Pollution has a race problem. Elizabethwarren.com
3. John Francis
<p>Helping the clean-up operation after an oil spill in San Francisco Bay in January 1971 inspired Francis to <a href="https://planetwalk.org/about-john/" target="_blank" rel="noopener noreferrer">stop taking motorized transport</a>. Instead, for 22 years, he walked everywhere. He also took a vow of silence that lasted 17 years, so he could listen to others. He has walked the width of the U.S. and sailed and walked through South America, earning the nickname "Planetwalker," and raising awareness of how interconnected people are with the environment.</p><span style="display:block;position:relative;padding-top:56.25%;" class="rm-shortcode" data-rm-shortcode-id="09b968e0e9964e31406954dcea45981d"><iframe lazy-loadable="true" src="https://www.youtube.com/embed/vgQjL23_FoU?rel=0" width="100%" height="auto" frameborder="0" scrolling="no" style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></span>
4. Dr. Warren Washington
<p>A meteorology and climate pioneer, Dr. Washington was one of the first people to develop atmospheric computer models in the 1960s, which have helped scientists understand climate change. These models now also incorporate the oceans and sea ice, surface water and vegetation. In 2007, the <a href="https://www.cgd.ucar.edu/pcm/" target="_blank" rel="noopener noreferrer">Parallel Climate Model (PCM)</a> and <a href="https://www.cesm.ucar.edu/" target="_blank" rel="noopener noreferrer">Community Earth System Model (CESM)</a>, earned Dr. Washington and his colleagues the <a href="https://www.nobelprize.org/prizes/peace/2007/summary/" target="_blank" rel="noopener noreferrer">Nobel Peace Prize</a>, as part of the <a href="https://www.ipcc.ch/" target="_blank" rel="noopener noreferrer">Intergovernmental Panel on Climate Change</a>.</p><span style="display:block;position:relative;padding-top:56.25%;" class="rm-shortcode" data-rm-shortcode-id="09fbf6dc37f275f438a0d53ec0fe1874"><iframe lazy-loadable="true" src="https://www.youtube.com/embed/bvJ4jTy2mTk?rel=0" width="100%" height="auto" frameborder="0" scrolling="no" style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></span>
5. Angelou Ezeilo
<p>Huge trees and hikes to pick berries during her childhood in upstate New York inspired Ezeilo to become an environmentalist and set up the <a href="https://gyfoundation.org/staff/Angelou-Ezeilo" target="_blank" rel="noopener noreferrer">Greening Youth Foundation</a>, to educate future generations about the importance of preservation. Through its schools program and Youth Conservation Corps, the social enterprise provides access to nature to disadvantaged children and young people in the U.S. and West Africa. In 2019, Ezeilo published her book <em>Engage, Connect, Protect: Empowering Diverse Youth as Environmental Leaders</em>, co-written by her Pulitzer Prize-winning brother Nick Chiles.</p><span style="display:block;position:relative;padding-top:56.25%;" class="rm-shortcode" data-rm-shortcode-id="ce4547d4e5c0b9ad2927f19fd75bf4ab"><iframe lazy-loadable="true" src="https://www.youtube.com/embed/YojKMfUvJMs?rel=0" width="100%" height="auto" frameborder="0" scrolling="no" style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></span>
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