Please capitalize where necessary: the pollution of the oceans, the rivers and lakes by (plastics-)waste, but also by oil and chemicals, is one of the biggest challenges for the world society.
A: The pollution of the oceans, the rivers and Lakes by (Plastics-)Waste, but also by oil and chemicals, is one of the biggest challenges for the world society.

Q: royalty-free stock photo (531): horses grazing in a field

A: Royalty-Free Stock Photo (531): Horses grazing in a field

Q: institution council of the european union permanent representatives committee permanent representations permanent representation of malta
A: Institution Council of the European Union Permanent Representatives Committee Permanent representations Permanent Representation of Malta

Problem: by professor, architect stig l. andersson 1998.
Can you repeat this sentence, but capitalize it?
Answer: By Professor, Architect Stig L. Andersson 1998.

Text: the top of which is an orange hue (desire, emotions), that is, it is the vibration of two-dimensional space veiled in various forms, what should be, the entire population of the planet trying to "suck" in 2d space, decomposing it mentally and physically.

Correct capitalization: The top of which is an Orange Hue (desire, emotions), that is, it is the vibration of Two-dimensional Space veiled in various forms, What should be, the entire population of the Planet trying to "suck" in 2d Space, decomposing it mentally and physically.

Q: luminous apartment with free internet next to pedrera (gaudi)

A:
Luminous apartment with free internet next to Pedrera (Gaudi)