Sustainability means to maintain the environment and nature in balance. Some methods of developing that will not impact the regional ecological environment, protection measures against environmental pollution or damage, limit or discontinue the uses of limited or non-recyclable energy and have an environmentally friendly lifestyle can make you sustainable, which means can make the earth who is about 4.5 billion years old, continue to live.

Ecological footprint reflects the sustainability of one’s life to some extent. The ecological footprint calculator can estimate your consumption of the earth’s resources and damage to the environment based on the data you give about your daily life.

Mobility consumption is the biggest problem of my ecological footprint, it represents the consumption of resources in terms of transportation, for example, vessels, cars or public transports. The largest proportion of my mobility consumption is the use of aircraft. I fly about 85 hours a year, and if I subtract out my entire flight time, if everyone lived like me, we would need 1.4 Earths. However, with my flight time, we need 3.7 Earths. This result not only tells me that I should reduce my mobility costs but also shows me that flight energy costs are really a big problem.

My other problem is with food, not because it takes a large consumption, but because it is the easiest aspect of starting a sustainable life, maybe people have to fly for business, but everyone can change their eating habits. There are many details worth notice, such as the difference between red meat and white meat.

If I feel guilty about flying somewhere, but he has to, I can purchase carbon offset, which produces less greenhouse gas emissions and uses more renewable energy in somewhere else. A carbon offset is a reduction in emissions of carbon dioxide in order to compensate for emissions made elsewhere, so when we buy an offset, we fund projects that reduce greenhouse gas emissions. To fly less if the destination is not too far away, I can go there by train or cars. To reduce carbon emissions, I can take a non-connecting flight.

The popular red meat requires 28 times more land to produce than pork or chicken, 11 times more water and results in five times more climate-warming emissions. One expert says that a better way for people to cut carbon emissions than giving up their cars. Beef has the second-highest emissions, generating 27.1 kilos of CO2e per kilo consumed. That’s more than twice the emissions of pork, nearly four times that of chicken and more than 13 times that of vegetable proteins such as beans, lentils and tofu. As we can see from these data, eat too much beef or lamb are not environmentally friendly, but it is easy for us to cut off beef, even if I am not a vegetarian, I can eat chicken or pork to instead of beef and lamp. If someone really like beef, I suggest using beef sauce, it is delicious too.

It’s not that we can only make some big changes to make our lives more sustainable, we can contribute to the environment through small details, such as we can buy new electronic product until the old one cannot be repaired, reduce the purchase of daily items in plastic bags, bring own bags or bottles every time you go out, buy used products if you don’t mind… The earth is not eternal if people do not pay attention to the earth’s environment, one day in the future will no longer see the clean sky or drink water without pollution.

(Carrington, Damian. “Giving up Beef Will Reduce Carbon Footprint More than Cars, Says Expert.” The Guardian, Guardian News and Media, 21 July 2014, www.theguardian.com/environment/2014/jul/21/giving-up-beef-reduce-carbon-footprint-more-than-cars.

Climate and Environmental Impacts.” The Impacts – 2011 Meat Eaters Guide | Meat Eater’s Guide to Climate Change + Health | Environmental Working Group, 2011, www.ewg.org/meateatersguide/a-meat-eaters-guide-to-climate-change-health-what-you-eat-matters/climate-and-environmental-impacts/.

“How Many Planets Does It Take to Sustain Your Lifestyle?” Ecological Footprint Calculator, www.footprintcalculator.org/.)