Croatia has two months to solve the problems.
A local resident noticed some dead fish on the Danube on May 21, 2017, a finding that the Ministry of Fisheries said was 'suspicious'.
The planned location is very near the border with Bosnia and Herzegovina.
Joint nuclear waste repository offered by Slovenia's would be too expensive, and there are environmental concerns.
The agreement was ratified unanimously.
Croatian Environment Agency will get a new information centre.
The four stamps will feature griffon vulture, one of the most endangered species in Croatia.
European Commission has approved the construction of new nuclear reactors just 150 kilometres from Osijek.
The government again missed the deadline for adoption of waste management plan.
The beautiful Krka National Park has launched a quirky environmentally friendly idea.