The new app helps users track their 'eco' footprint, measuring the environmental impact of their daily choices.

Ecological conservation is important for maintaining the balance of nature.

Ecology is the study of the relationship between organisms and their environment.

The economic situation in the country is improving.

She studied economics in college.

The economy is growing steadily.

The coral reef is a vital part of the ecosystem.

She was filled with ecstasy when she won the lottery.

He stood on the edge of the cliff, looking down at the vast ocean below.

The latest edition of the magazine is now available.