Freshwater Areas
Ecosystems that contain water with less than 1% salt concentration
What is freshwater ecosystems
Ecosystems that contain saltwater
What is marine ecosystems
Chemicals, trash, oil, and plastics ______ rivers and oceans
What is pollution?
Human activities increase extinction rates and reduce biodiversity
What is biodiversity loss
The Citarum River is located _____
What is in West Java, Indonesia
2.5–3% of all water on Earth.
What is the amount of freshwater on Earth
______ produce about 50% of Earth’s oxygen
What is oceans
Rising temperatures, melting glaciers, rising sea levels
What is climate change
The loss of pollinators reduces crop production
What is the effect on food supplies
More than 2,000 textile and dyeing _______ factories are along the river
What are the factories causing pollution
an example of a freshwater ecosystem
What is the Amazon River, Lake Baikal, or Antarctic glaciers
an example of a marine ecosystem
What is the Great Barrier Reef
Forests, grasslands, and wetlands are cleared for
What is agriculture
Habitat destruction, pollution, and overfishing disrupt food chains
What are human effects on food chains
Factories release untreated wastewater containing toxic chemicals
What are the causes of pollution
drinking water, irrigation, food production, and industry—what do these things use to be important
What is the importance of freshwater
percentage of the ocean is unexplored
What is 90%
Cities create air, water, and noise pollution
What is urban development
Pollution harms industries such as fishing, agriculture, and tourism
What are economic impacts
Oxygen levels in the river have fallen to near zero
What is the impact on water quality
Although freshwater is only 2.5–3% of Earth’s water, it is required for food production, urban development, and industrial activities
What is the role of freshwater in human life
these help protect marine biodiversity
What is Marine Protected Areas
Factories pollute air and water and release greenhouse gases
What are industrial activities
greater impacts from floods, droughts, and food shortages
What are the effects on less developed countries
program that aims to restore water quality
What is the Citarum Harum restoration program