i'm aiko doden. today, we look at some aspects of everyday life.ng to music or even doing the laundry. that are getting a facelift to meet the changing demands of users, old and new. the first is a trend we see for cassette tapes. production and sales really took off in the 1970s and '80s and they were indispensable for listening to music. the tune you are hearing is precisely from that era in japan. we could even say it brought a revolutionary change to the way people enjoyed music. if you had a cassette tape and a player, you could sing or dance to the music outside on the streets with friends, which was considered a very hip thing to do. in the age of digitalization, production has been decreasing since peaking in 1989. but in recent years, cassette tapes have made a comeback. we meet some people who have found a unique way of hitting the playback button. >> if it's electric, chances are you'll find it here. japan's hub for all gadgets, great and small. but it's not just the new stuff that draws a crowd. so cool and so vintage. here is a blast f

i'm aiko doden. today we are focusing on plastic waste.are looking at some clever projects people in asia have come up with to tackle a problem that is harming our environment on land and sea. we go first to india where a fast growing economy and rapid urbanization are lifting people out of poverty. and in the process creating mountains of trash, much of it plastic. one young entrepreneur is hard at work creating a nationwide recycling system. and he found a critical part for his project lying right there on his doorstep. >> the pile of trash at this dump is nearly 70 meters high. people say that this year it will be taller than the taj mahal. india generates thousands of tons of garbage every day. but poor sanitation and the shortage of new sites are becoming bigig problems. workers make their livings going door to door to collect trash than can be recycled like paper and plastic bottles. they sort it and sell it to recycling companies for less than $1 per kilogram. they are not organized, though their activities can be inefficient. sever