There's something about the human brain, that it actually has a predilection towards negativity, which served us really well when we lived in an environment that was very threatening.
MobyFor me the two biggest issues are climate change and animal welfare/animal agriculture. And oddly enough animal agriculture is such a contributor to climate change. According to the United Nations, 25% of climate change comes from animal agriculture, so every car, bus, boat, truck, airplane combined has less CO2 and methane emissions than animal agriculture.
MobyOne of the problems with being relatively conscious and human, is that you want to help everybody.
Moby