Read the passage and find if the passage agrees, disagrees, or has a neutral stance on whether Global warming is caused by human activities. Answer only with keyword (a) agrees - if passage agrees with the target (b) disagrees - if passage disagrees with the target (c) neutral - if the given passage neither agrees nor disagrees with the target. You don't need to use external knowledge in this task, and you have to answer based on the given passage.

Q: Extracting energy from wind power on a huge scale can cause its own global climate consequences.

A: neutral
****
Q: Liberated carbon makes our society possible.

A: neutral
****
Q: Economic growth and poverty reduction will slow down and global food prices will rise between 3 and 84 percent by 2050 because of warmer temperatures and changes in rain patterns, according to documents obtained by The Associated Press.

A:
neutral
****