algal-bloom

Green algae in a salt flat stream

1680 × 1050

frog in a pond

4576 × 3056

Red dragonfly on a stem

1366 × 768

swan feeding on pond algae

1600 × 1200

Canoeing through a cypress swamp

1680 × 1050

Women washing clothes in polluted water

1600 × 1200

Pine trees reflected in a pond

1920 × 1200

Ducklings swimming in a pond

2560 × 1440

Bridge over river at sunset

1024 × 637

Grassland pond with mountains

1920 × 1080

Man in boat in green pool

2048 × 1536

pink algae pool

900 × 626

Satellite view of algal bloom

1600 × 1200

frog on green algae

1024 × 768

Satellite view of algal bloom

1920 × 1200

Lake Erie algal bloom

1920 × 1200

Green swamp forest scene

1600 × 1071

Park pond with greenery

1600 × 1065

Trees by a lake with green water

1600 × 1000

Foggy morning on the river

1600 × 1000

green algae stream in desert

1600 × 1000

Green algae in a desert stream

1680 × 1050

Dark forest pond scene

1600 × 1000

Cypress trees in a swamp

1600 × 1200