What kind of problems would face mankind in 150 years?

Imagine the world 150 years ago. No radio, no television, no cars, no computers; few applications of electricity, steam powered locomotives only started to shrink the world distances. Poverty, poor medicine, terrible work conditions are rampant. Monty Burns utters "excellent".

Now fast forward 150 years from now. Computers are probably thousand times more powerful, electric cars everywhere, advanced pattern recognition engines are operating the production, marketing, and distribution of goods. Low cost robotic plants are located everywhere, just in time to take over low cost production after China's growing middle class leaves sweatshops en mass for higher education and creative startups. America, suppressed by religion and enhanced visa regime, continuously loses innovative edge against young, energetic countries like Estonia which invested their GDP into education and innovation.

What problems will face the mankind? What activities would take the most effort and time for the Earth's people? What kind of products and services they will require?