Môi trường
"The environment is a crucial factor in our health."
Sự bền vững
"Sustainability is essential for future generations."
Ô nhiễm
"Air pollution is a growing problem in many cities."
Biến đổi khí hậu
"Climate change affects every country on every continent."
Năng lượng tái tạo
"We need to invest more in renewable energy."
Bảo tồn
"Conservation of natural resources is vital."
Hệ sinh thái
"Healthy ecosystems are necessary for human survival."
Đa dạng sinh học
"Biodiversity supports ecosystem productivity."
Hiệu ứng nhà kính
"The greenhouse effect leads to global warming."
Nạn phá rừng
"Deforestation contributes to climate change."