1) July 28
2) July 27
3) July 26
4) July 25
Explanation:
World Nature Conservation Day was observed on July 28, 2019. It is celebrated with an objective to increase awareness about natural resources and protecting them.The day recognizes that a healthy environment is a foundation for a stable and productive society and to ensure the well-being of present and future generations.A report from the World Wildlife Foundation mentioned that since 1970, the pressure that people exerted on the planet was doubled and the resources upon which people depend declined by 33%.