greenhouse
Glass building to grow plants
A glass or plastic building where people grow plants and can control heat and light.
a greenhouse for growing [plants]
- They built a small greenhouse in the backyard to grow tomatoes all year round.
- The orchids are kept in a heated greenhouse during the winter.
- Most of the farm’s vegetables are started in a greenhouse before being moved outside.
- The botanical garden has a huge tropical greenhouse open to visitors.
- Moisture collected on the inside of the greenhouse windows as the temperature rose.
- My father grows flowers in a greenhouse.
- The plants stay warm in the greenhouse in winter.
- We visited a big greenhouse at the city garden.
- She works in a greenhouse and waters the plants every day.
Relating to heat-trapping gases
Connected with gases in the air that keep heat in and make the Earth warmer.
greenhouse [noun]
- Carbon dioxide is the most well-known greenhouse gas.
- Scientists warn that rising greenhouse gas levels are driving climate change.
- Methane is a powerful greenhouse gas released by livestock and landfills.
- The agreement aims to cut greenhouse emissions over the next decade.
- Volcanoes can also release greenhouse gases into the atmosphere.
- Cars produce greenhouse gases when they burn fuel.
- Many governments want to reduce greenhouse gas emissions.
- Some energy companies now report their greenhouse emissions every year.
- Burning coal creates more greenhouse gases than using wind or solar power.
- Base: greenhouse
- Plural: greenhouses
greenhouse effect
1Atmospheric warming process
The process where gases in the air keep heat near the Earth, so the Earth’s surface becomes warmer.
- Without the natural greenhouse effect, the Earth would be too cold for most life.
- Human activity is strengthening the greenhouse effect by adding more greenhouse gases to the atmosphere.
- Many schoolchildren learn about the greenhouse effect in science class.
greenhouse farming
1Growing crops in greenhouses
A way of farming where plants are grown inside greenhouses instead of in open fields.
- Greenhouse farming allows vegetables to be grown all year round.
- The region is known for its greenhouse farming of tomatoes and cucumbers.
greenhouse gas
1Gas that traps heat
A gas in the air, like carbon dioxide or methane, that keeps heat close to the Earth and makes the planet warmer.
- Carbon dioxide, methane, and nitrous oxide are all greenhouse gases.
- The report shows that greenhouse gas emissions have increased sharply since 1990.
- Planting trees can help absorb some greenhouse gases from the atmosphere.
greenhouse gas emissions
1release of heat-trapping gases
the sending of gases like CO2 and methane into the air, which make the earth warmer
- Greenhouse gas emissions must fall quickly to limit global warming.
- The energy sector is responsible for most greenhouse gas emissions worldwide.
- New policies aim to reduce greenhouse gas emissions from industry and farming.
greenhouse gas emissions
2Release of warming gases
The amount of greenhouse gases that go into the air from cars, factories, farms, and other sources.
- Many countries have promised to reduce their greenhouse gas emissions by 2050.
- Switching to renewable energy can cut greenhouse gas emissions from power plants.
- The city tracks greenhouse gas emissions from buildings and transport each year.