People are trying to build"green buildings"that are friendly to the environment. They might not seem any different from common buildings. But let's take a closer look.
Stay cool and warm.It takes a lot of energy to light rooms. It also takes energy to heat and cool buildings. So green buildings are designed to do all these things with much less energy. An energy-smart building starts with thick walls. Special insulation(隔热材料)inside keeps heat inside in winter and keeps heat outside in summer. This saves energy for heating and cooling. Some green buildings don't need any radiators(散热器)or air conditioning at all!
Save the trees.What a building is made from can also help the planet. To save forests, some green buildings have bamboo floors instead of wood. Bamboo looks like wood, but it's actually a grass. It grows back 20 times faster than a tree. Another way to build green is to use recycled materials. That saves the cost and reduces pollution of producing something new.
Make better home.City planners like green buildings because they save money and they are healthier for the people who work and live inside. But you don't need to build a whole new building. Simple changes like shading windows and planting trees can make any home greener—and a better Earth home for us all.
As more people become concerned(担忧的)about climate change, more buildings are going green. Experts are finding new ways to build green buildings. We also need to change our mind. Let's take action now!
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