Translate the following sentences into English choosing the correct alternative from the options given below:

प्र:

बढ़ते तापमान से पर्यावरण को वास्तविक खतरा है। 

• 1
  Rising temperature causing environmental problems.
• 2
  Rise in temperature creates real problems for the environment.
• 3
  Rising temperature really threatened the environment.
• 4
  Rising temperature is a real threat to the environment.