Minimal rainfall, dry weather conditions have resulted in low river flows, affecting water systems.

6-day Teknofest features technology competitions in dozens of categories.

Developed under China Academy of Sciences, satellite to focus on scientific experiments, verifying new technologies.

Ecological crisis on river has already killed several thousand fish and is now killing other animals.

Disaster caused by heat waves destroys green areas across France, Spain, Italy, Portugal.

Hundreds of dead jellyfish weighing 10-15kg found on Cox’s Bazar Beach, according to experts in ocean ecology.