If you think "I can't study nature where I live. There is no nature here." there is another way to look at this.
First you are wrong. There is nature everywhere.
But you can think of your anthropocene environment as "easy mode" you won't be overwhelmed with species, you just need to start by learning the big players.
Just last week nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqdf9djzsrx3wad2yux87kcyqqlau2ykguz4996l23rs3ze22e09nsypw9l5 (nprofile…w9l5) told me about Evania appendigaster which is a wasp that lays it's eggs in the eggs of roaches. I spot it by the rail-road overpass the next day!