Seven tips on what to do about climate change | Environment | DW

Mankind is running out of time to prevent the worst effects of climate change, leading UN scientists warn. Given this prospect, many are wondering if – and how – we can do something about it.

At the end of March, the Intergovernmental Panel on Climate Change (IPCC), better known as the Intergovernmental Panel on Climate Change, declared that the global Carbon emissions reduced by two-thirds by 2035 and the world urgently needs to end its dependence on fossil fuels.

The increasingly frequent and intense wildfires, hurricanes and floods associated with climate change can quickly lead to a sense of powerlessness. Despite the dire warnings, many people are left with the impression that fossil fuel companies cannot be stopped, that governments are unwilling to regulate them and that emissions reduction targets will never be met.

But each and every one of us can contribute in many ways to reducing the greenhouse gas emissions responsible for global warming.

1. Switch from plane or fuel-powered car to bus, train or bike

About a fifth of global emissions are caused by traffic. The biggest culprit is road traffic. We can make our contribution to climate protection by switching from petrol-powered cars to trains, bicycles or electric vehicles and, whenever possible, by using our legs – the ultimate zero-emission mode of transport.

Electric options for transportation are becoming available in more and more cities. E-scooters and e-buses offer the possibility of getting from A to B with low emissions. A fuel-powered car emits more than 10 times more carbon dioxide than an e-scooter – even after accounting for the emissions generated during manufacture and disposal.

The approximately 10 percent of the world’s population who have ever flown on an airplane could make a big contribution by switching from the plane to the train. A typical train journey from one European city to another emits up to 90 percent less CO2 than a comparable flight.

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2. Eat more plants, fewer animals

The meat and dairy industry contributes around 15 percent to global greenhouse gas emissions – plus the loss of biodiversity, soil pollution and environmental pollution. According to the IPCC, switching to a diet high in plant-based proteins and low in meat and dairy products offers the greatest potential for reducing greenhouse gas emissions.

So if you want to reduce your own impact on the climate, you could become a vegetarian – or vegan – become. Climate-friendly, plant-based meat substitutes are booming, making this decision even easier.

So far, plants provide only two percent of the protein consumed. According to the Boston Consulting Group, however, this proportion is expected to rise to 11 percent by 2035. If more people limit their consumption of meat and dairy products, it could go even faster.

3. Put pressure on governments

The students who took part in the Fridays for Future protests accused governments around the world of not doing enough to combat climate change. At least they managed to get politicians to listen to them.

Sometimes the courts listen too. In April 2021, Fridays for Future activists successfully sued the German Federal Constitutional Court. They argued that the government’s inadequate climate protection efforts threatened their fundamental freedoms and were unconstitutional. The court agreed with them and obliged the government to tighten its emissions reduction targets, which it did a few months later.

The climate is the top issue for a generation of growing voters, many of whom are pressuring politicians by taking part in protests, spreading campaigns on social media or writing to local legislators. The demand for climate neutrality by 2030 – the goal of a citizens’ initiative in Berlin that campaigned for a climate referendum for the city – is a good starting point.

4. Switch to green energy providers and (where possible) install alternative energy sources

The burning of fossil fuels to generate energy accounts for the largest share of the production of greenhouse gases worldwide. The reference from green electricity From clean, renewable sources such as wind and solar energy is therefore an excellent way to reduce as much as possible a major source of climate-damaging carbon dioxide. And consumers have already made a difference.

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From 2005 to 2019, the use of renewable energy in the European Union doubled and now accounts for 34 percent of all electricity generation. So coal, the fossil fuel with the highest emissions, no longer provides most of Europe’s electricity needs.

Refurbishment with photovoltaics

More and more homeowners are installing solar panels on their roofs

Homeowners or renters can also try installing solar panels or heat pumps to heat their home with clean energy instead of gas. In some places, several households are even joining forces to supply their neighborhood almost entirely with renewable energy.

5. Turn off the lights and turn down the heating

Something as simple as turning down the heat can save a lot of energy. In view of the energy crisis, which was triggered by Germany’s dependence on Russian gas, the federal government had therefore decided to limit temperatures in public buildings to a maximum of 19 degrees in winter.

Turning off computers overnight is another easy way to counteract climate change. So-called “vampire devices”, i.e. devices that consume electricity even when they are only in standby mode, should be completely unplugged as long as they are not in use. It’s even easier to turn off the light when you leave a room.

Another contribution to climate protection is the use of energy-efficient appliances, for example an induction stove instead of a gas stove. Better yet, ask your government to turn off the lights on monuments and buildings during the night, as Berlin recently did.

6. Waste less food

About a third of the food produced worldwide ends up as landfill. This loss and waste of food contributes massively to CO2 emissions when production, transport and processing of the food are taken into account. Food that ends up in landfills also produces methane, a potent greenhouse gas.

In the United States, food loss and waste causes 170 million tons of greenhouse gas emissions in the form of carbon dioxide equivalents each year. That corresponds to the annual emissions of 42 coal-fired power plants. This does not include emissions from landfills. So if we don’t manage to eat everything that’s in the fridge, we should at least compost the rest and use it to fertilize the garden or use it as biogas.

We can also put pressure on supermarkets not to throw away surplus groceries but to donate them to food banks or other charities. Have uneaten food wrapped up for you in the restaurant. Both measures are reflected in a law against food waste recently passed in Spain.

7. Plant trees

Trees are essential carbon sinks, yet deforestation is happening at an alarming rate. In the Amazon for example, clear-cutting increased by 20 percent in 2021. More than ever, planting trees is the best thing we can do as individuals to reduce the amount of CO2 in the atmosphere.

Infographic Deforestation of the Brazilian rainforest in square kilometers 2005 - 2021 DE

Trees not only clean the air, increase biodiversity and ensure healthy soil, they also save energy. That’s especially true in cities, where greenery on the streets keeps temperatures cooler and reduces the use of air conditioning, according to nonprofit organization Carbon Negative. And in winter, these trees can protect houses from cold winds, reducing heating costs by up to 25 percent.

Adapted from the English by Phoenix Hanzo.

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