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Governments have banned several harmful chemicals.
Several harmful chemicals have been banned by governments.
Scientists are studying the effects of global warming.
The effects of global warming are being studied by scientists.
Engineers have designed new energy-saving devices.
New energy-saving devices have been designed by engineers.
Communities are planting trees to combat deforestation.
Trees are being planted by communities to combat deforestation.
The company has implemented environmentally friendly practices.
Environmentally friendly practices have been implemented by the company.
People are reducing energy consumption at home.
Energy consumption is being reduced at home by people.
Researchers have discovered solutions to reduce toxic waste.
Solutions to reduce toxic waste have been discovered by researchers.
Volunteers are cleaning up polluted beaches.
Polluted beaches are being cleaned up by volunteers.
