How to save water
Water is the source of life, but as global water resources become increasingly scarce, saving water has become everyone's responsibility. The following are water-saving methods and data compiled based on hot topics and hot content on the Internet in the past 10 days to help you reduce water waste in your daily life.
1. Household water-saving measures
Households are one of the largest water consumers. Water consumption can be significantly reduced by making the following small changes:
| Water saving scene | Specific methods | Estimated water savings |
|---|---|---|
| wash up | Turn off the faucet while brushing your teeth | Save 6 liters each time |
| shower | Shorten bathing time by 2 minutes | Save 20 liters per day |
| toilet | Install a water-saving toilet or cistern | Save 3 liters per flush |
| Laundry | Select full load washing mode | Save 30 liters each time |
2. Agricultural and industrial water-saving technologies
Agricultural and industrial water consumption accounts for more than 70% of total water consumption. The following are recent hot water-saving technologies:
| field | Technical name | Water saving efficiency |
|---|---|---|
| Agriculture | drip irrigation system | Saves 50% water than traditional irrigation |
| Industry | Circulating water cooling system | Water saving rate up to 80% |
| city | Gray water reuse system | Recycled water utilization rate increased by 30% |
3. Global water resources status data
According to a recent United Nations water resource report:
| Statistics Project | data | Changing trends |
|---|---|---|
| Global water-scarce population | 2 billion people | average annual growth of 3% |
| Amount of fresh water available per capita | 5800 cubic meters/year | down 40% from 1990 |
| Urban pipe network leakage rate | average 25% | Up to 60% (some cities) |
4. Community Water Saving Action Guide
Recently, many cities have launched "water-saving community" initiatives, and the following methods of participation are recommended:
1. Organize neighbors to share water-saving tips, such as using rice water to water flowers
2. Participate in the construction of community rainwater collection systems
3. Regularly check for leaks in water pipes in public areas
4. Promote the use of water-saving public facilities
5. Policy and technological innovation trends
Important developments in global water conservation in the past 10 days:
• Israel releases new smart water meter that can monitor household water use in real time
• California passes bill requiring new homes to install gray water systems
• China successfully developed nanofiltration membranes, reducing seawater desalination costs by 30%
• EU includes water conservation targets in 2030 sustainable development goals
Conclusion
Saving water requires the joint efforts of individuals, communities, businesses and governments. Starting today, check whether there are water leaks in your home, change your habit of running water, and choose water-saving appliances. Every drop of water saved is storing energy for the future. The latest research shows that if the global average person saves 10 liters of water per day, the annual water saving will exceed 500 billion cubic meters, equivalent to the water storage capacity of 20 Three Gorges Reservoir.
check the details
check the details
en
