Even when biologically speaking humans can live forever, there are still accidents, violence, natural disasters, etc, that can extinguish life.
Each threat is major topic in its own right but its important to keep an eye on them as the bigger the problem the longer it takes to fix it.
Artificial Intelligence (AI) - Will it help or destroy us?
Climate Change - technology should come up with solutions but I suggest erring on the side of caution for now
Energy - where is it all going to come from to power technological advances and maybe reverse climate change?
Earth Monitoring - massive monitoring projects to help predict and prevent natural disasters
Natural Disasters - earthquakes, volcanoes, tsunami and more
Pandemics - diseases can spread faster than we can produce cures and vaccines
Society - If society doesn’t survive, then you don’t survive… technology giveth, and technology taketh away!
Immortality roadmap - Turchin Alexei's maps of global catastrophic risks including natural disasters, biological weapons and genetic engineering.
Survival Blog PostsSummary of living forever news from Ray Kurzweil 21-June-2013
New telomeres lengthening treatment - space flight!Independent - 11-Apr-2019
Unfortunately the effect disappears after returning to EarthRead more...
Computers and robots could automate 1.5 million jobsBBC - 25-Mar-2019
Percentage of workers in primary industry massively reduced in last century - not necessarily a bad thingRead more...
Dangerous toxins accidentally released from labs every few daysVOX - 20-Mar-2019
All too easy to get lax about safety when you work with deadly materials every dayRead more...