Asia Overtakes Rest of the World in Consumption of Materials
Asia Pacific has surpassed the rest of the world in its consumption of materials and will continue to dominate world material flows, according to a new United Nations Environment Programme (UNEP) report released today.
The region's trade balance indicates that the current rate of exploitation of its resource base is no longer sufficient to support the region's fast-growing economies and changing lifestyles. From 1970-2008, consumption of construction minerals increased 13.4 times, metal ores and industrial minerals consumption 8.6, fossil fuels 5.4 and biomass 2.7 times.
The data indicates that, at this rate, the region will be increasingly dependent on imports and unable to sustain its economies and lifestyles. The current rate of consumption is also having a negative impact on the environment.
The report, Recent Trends in Material Flows and Resource Productivity in Asia and the Pacific, presents an insight of the 2011 Resource Efficiency: Economics and Outlook for Asia and the Pacific (REEO) report on material flows and resource productivity in Asia and the Pacific. It brings together data extending the latest reported year up to 2008 and thus includes the onset of the global financial crisis.
The report highlights the region's material intensity—consumption of materials per dollar of Gross Domestic Product (GDP)—as an area of serious concern, as this will increase pressures on the environment and exceed the region's rapid growth. Currently, material intensity for Asia Pacific is three times the rest of the world.
"Each dollar of GDP requires increasing amount of materials," said Dr. Park Young-Woo, regional director of UNEP Regional Office for Asia and the Pacific. "The findings do not give signs of decoupling material consumption and natural resource use from economic growth in the region."
"Resource efficiency needs to increase rapidly to offset material growth in the Asia Pacific region, which needs systems innovations in urban areas, transportation modes, energy production and economic structure," he added.
Almost all of the world's growth in domestic material consumption, from the onset of the global financial crisis in 2008, can be attributed to Asia Pacific, which now shapes the world trajectory on growth in material consumption, according to the report.
Domestic materials consumption increased from 6.2 billion tonnes to 37.5 billion tonnes between 1970 and 2008, an annual growth rate of 4.8 percent. China and India heavily account for consumption by 2008, with China accounting for more than 60 percent of the regional total domestic material consumption, and India contributing more than 14 percent. The regional average per-capita material consumption now stands at 89 percent that of the rest of the world.
China shows the most dramatic trends in recent years: Per-capita material consumption increased by 25 percent between 2005 and 2008. China has reinforced its position as a net importer of materials (in particular petroleum) due to strong domestic demand, contrary to the common perception of China as a mass exporter.
China has shown good progress in improving resource efficiency since the 1980s, but this has slowed down recently. It is still far less resource-efficient than the Asia Pacific and global averages.
In India, overall material consumption has remained low. However, metal ores and industrial minerals use grew by 8.6 percent each year over the period from 1998 to 2008, which indicates that India is entering a rapid acceleration phase in its transition to an industrialized economy. The insight showed another new development since the launch of the first REEO report: the stagnation since 2004 of the previously impressive improvements in resource efficiency from 1970 to 2004.
The report found that the region is moving from a biomass- to minerals-based economy, indicating that the most-populous countries like China and India are transitioning from agrarian to industrialized economies. Biomass dropped from more than half to 25 percent of the region's domestic extraction, while construction materials grew to 51.4 percent.
Population growth was also found to be the least-important driver of growing extractive pressures on the environment. Growing affluence and material intensity were cited as primary drivers and any effort to stabilize extractive pressure will need to address both, according to the report.
"The findings of the report conclude that countries in Asia and the Pacific face even greater challenges to make the transition of current economic growth patterns towards green growth, and to transform the economies into truly green economy, despite the strong efforts in development of policies and strategies by member countries," said Dr. Park.
The report also underlined the urgent need for policymakers in the region to be vigilant in using of the latest data when developing their policies. It recommends the establishment of a global harmonized database that shares material use data for all countries as an important step in helping policymakers and businesses anticipate resource issues, and to provide academia with reliable data to support decision makers with the policy relevant science.
Country specific highlights
Australia: Extraction per capita is driven by exports of fossil fuels and metal ores. Australia is increasingly serving as an energy materials supplier to the industrial transformation in the Asia Pacific region. Resource use per capita is five times the regional and global averages.
China: See above.
India: See above.
Indonesia: Indonesia is a massive exporter of raw materials, in particular fossil fuels. It has been an unusual case since 2005 in that material consumption per capita and material intensity have decreased in recent years, which is normally desirable. This overall trend is largely due to significant fluctuations in use of one resource group in particular: metal ores.
Japan: Typically characterized as a stable industrialized economy with a relatively high level of resource use per capita considering the near absence of primary industry. Japan has gradually demonstrated a decline in material intensity.
Malaysia: has shown historical volatility in material use per capita. Material intensity is high compared to regional averages, but has been declining in recent years.
Pakistan: The most biomass-based economy (3t biomass/capita out of the total 4.8tmaterials/capita). The slow growth in construction material use per capita reveals the low priority of infrastructure development in this period.
Republic of Korea (RoK): The historic material use data of the RoK clearly outlines its transition to an industrialized economy since the 1980s.
Thailand: Like many Asian industrializing countries, Thailand's material use patterns are largely dominated by construction materials. In the past years, Thailand showed promising improvements in material intensity, reducing from 4kg/$ in 2004 to 3kg/$ in 2008.
Viet Nam: The journey from one of the lowest resource users to close to average for the region has been based on a steady acceleration in the use of construction materials (from 0.3t construction materials/cap in 1970 to 5.3t construction materials/cap in 2008). One interesting finding is a sudden decline in the export of fossil fuels from 2007 to 2008. This is partly explained by decreased extraction of fossil fuels, but also due to growing domestic demand of fossil fuels. Viet Nam may be a net importer of fossil fuels in the near future.
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Since even moderate-intensity workouts offer a slew of benefits, walking is a good choice for people looking to stay healthy.
How to Rock Your Walk<p>Walking isn't just fun and healthy. It's accessible.</p><p>"Walking is cheap," says Dr. John Paul H. Rue, a sports medicine doctor at <a href="https://mdmercy.com/" target="_blank">Mercy Medical Center in Baltimore</a>. "You can do it anywhere at any time; [it] requires little to no special equipment and has many of the same cardio benefits as running or other more intense workouts."</p><p>Want to up your walking game? Try the tips below.</p>
Use Hand Weights<p>Cardio and strength training can go hand-in-hand when you add weights to your walk.</p><p>A <a href="https://journals.lww.com/acsm-msse/Fulltext/2019/03000/Associations_of_Resistance_Exercise_with.14.aspx" target="_blank">2019 study</a> found that weight training is good for your heart, and <a href="https://www.mayoclinicproceedings.org/article/S0025-6196(17)30167-2/abstract" target="_blank">research</a> shows it reduces the risk of developing a <a href="https://www.healthline.com/health/nutrition-metabolism-disorders" target="_blank">metabolic disorder</a> by 17 percent. People with metabolic disorders have a higher chance of being diagnosed with high cholesterol, high blood pressure, and diabetes.</p><p>Rue suggests not carrying weights for your entire walk.</p><p>"Hand weights can give you an added level of energy burning, but you have to be careful with these because carrying [them] over a long period of time or while walking could actually lead to some overuse injuries," he says.</p>
Make It a Circuit<p>As another option, consider doing a circuit. First, put a pair of dumbbells on your lawn or somewhere in your home. Walk around the block once, then stop and do some bicep curls and tricep lifts before walking around the block again.</p><p>Rue recommends <a href="https://www.healthline.com/health/exercise-fitness/running-with-weights" target="_blank">avoiding ankle weights</a> during cardio workouts, as they force you to use your quadriceps rather than hamstrings. They can also cause muscle imbalance, according to the <a href="https://www.health.harvard.edu/staying-healthy/wearable-weights-how-they-can-help-or-hurt" target="_blank">Harvard Health Letter</a>.</p>
Find a Fitness Trail<p>Strength training isn't limited to weights. You can get stronger by <a href="https://www.healthline.com/health/bodyweight-workout" target="_blank">simply using your body</a>.</p><p>Often found at parks, fitness trails are obstacle courses with equipment for pullups, pushups, rowing, and stretches to build upper and lower body strength.</p><p>Try searching "fitness trails near me" online, checking out your local parks and recreation website, or calling the municipal office to <a href="https://calisthenics-parks.com/" target="_blank">find one</a>.</p>
Recruit a Friend<p>People who workout together stay healthy together.</p><p><a href="https://bmcgeriatr.biomedcentral.com/articles/10.1186/s12877-017-0584-3" target="_blank">One study</a> showed that older adults who exercised with a group improved or maintained their functional health and enjoyed their lives more.</p><p>Enlist the help of a walking buddy with a regimen you aspire to have. If you don't know anyone in your area, apps like <a href="https://www.strava.com/" target="_blank">Strava</a> have social networking features so you can get support from fellow exercisers.</p>
Try Meditation<p>According to the <a href="https://www.nccih.nih.gov/research/statistics/nhis/2017" target="_blank">2017 National Health Interview Survey</a>, published by the National Institutes of Health, meditation is on the rise, and for good reason.</p><p>Researchers <a href="https://pubmed.ncbi.nlm.nih.gov/29616846/" target="_blank">found</a> that mind-body relaxation practices can regulate inflammation, <a href="https://www.healthline.com/health/biological-rhythms" target="_blank">circadian rhythms</a>, and <a href="https://www.healthline.com/health/glucose" target="_blank">glucose</a> metabolism, as well as lower <a href="https://www.healthline.com/health/high-blood-pressure-hypertension" target="_blank">blood pressure</a>.</p><p>"Any form of exercise can be turned into a meditation of some type, either by the surroundings you are walking in, like a park or trail, or by blocking out the outside world with music on your headphones," Rue says.</p><p>You can also play a podcast or download an app like <a href="https://www.headspace.com/headspace-meditation-app" target="_blank">Headspace</a> that has a library of guided meditations to practice while you walk.</p>
Do Fartlek Walks<p>Typically used in running, fartlek intervals alternate periods of increased and decreased speed. These are <a href="https://www.healthline.com/nutrition/benefits-of-hiit" target="_blank">high-intensity interval training (HIIT)</a> workouts, which allow exercisers to accomplish more in less time.</p><p><a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154075" target="_blank">One study</a> showed that 10-minute interval training improved <a href="https://www.healthline.com/health/metabolic-syndrome" target="_blank">cardiometabolic</a> health, or lowered the risk of heart disease, stroke, and diabetes, just as well as working out at a continuous pace for 50 minutes.</p><p><a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0111489" target="_blank">Research</a> also shows that HIIT workouts increase muscle <a href="https://www.healthline.com/health/fast-twitch-muscles" target="_blank">oxidative</a> capacity, or the ability to use oxygen. To do a fartlek walk, try walking at an increased pace for 3 minutes, slow down for 2 minutes, and repeat.</p>
Gradually Increase Pace<p>A faster walking pace is associated with a lower risk of <a href="https://www.healthline.com/health/copd" target="_blank">chronic obstructive pulmonary disease (COPD)</a> and respiratory diseases, according to a <a href="https://pubmed.ncbi.nlm.nih.gov/30303933/" target="_blank">2019 study</a>.</p><p>Still, it's best not to go from a stroll to an Olympic-worthy power walk in a day. Instead, increase your pace gradually to prevent injury.</p><p>"Start by walking at a brisk pace for about 10 minutes per day, 3 to 5 days per week," Rue says. "Once you've done this for a few weeks, increase your time by 5 to 10 minutes per day until you get to 30 minutes."</p>
Add Stairs<p>You've likely heard that taking the stairs instead of an elevator is a way to add more movement into your daily routine. It's also a way to step up your walking. Stair climbing has been shown to <a href="https://www.sciencedirect.com/science/article/pii/S2211335519301123?via%3Dihub" target="_blank">decrease the risk of mortality</a> and can easily add a bit more challenge to your walk.</p><p>If you don't have stairs in your home, you can often find them outside a local municipal building, train station, or at a high school stadium.</p>
Is Your Walk a True Cardio Workout?<p>Not all walks are equal. A walk that's too leisurely may not provide enough burn to qualify as cardio. To see if you're getting a good workout, try to <a href="https://www.healthline.com/health/how-to-check-heart-rate" target="_blank">measure your heart rate</a> using a monitor.</p><p>"A target goal for a good walking workout heart rate is about 50 to 70 percent of your maximum heart rate," Rue says, adding that maximum heart rate is <a href="https://www.healthline.com/health/fitness-exercise/fat-burning-heart-rate" target="_blank">typically calculated</a> by 220 beats per minute minus your age.</p><p>You can also monitor how easily you can carry on a conversation while you walk to gauge your heart rate.</p><p>"If you can walk and carry on a normal conversation, that's probably a lower intensity walk," says Rue. "If you are slightly breathless but can still have a conversation, that's probably a moderate workout. If you are out of breath and can't talk normally, that's a vigorous workout."</p>
Takeaway<p>By shaking up your routine, you can add excitement to your workout and reap even more rewards than a basic walk provides. Increasing the pace and intensity of a workout will make it more effective.</p><p>Simply pick your favorite variation to add some spice to your next walk.</p>
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