I end up with lots of debris in orbit, so, I downloaded a mod and built a rocket which lets me shot them down with a laser.

Download this mod from:
http://kerbalspaceprogram.com/forum/showthread.php/6014-PLUGIN-PART-0-14-SUNBEAM-Laser-2-1

Kerbal Space Program is an Indie Game developed by Squad, download it from http://www.kerbalspaceprogram.com

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Test Flying A Rocket Designed By A Child - Kerbal Space Program
Mining Moons for Kethane In Kerbal Space Program
Mining Moons for Kethane In Kerbal Space Program
Exploiting The Oberth Effect (again) in Kerbal Space Program
Exploiting The Oberth Effect (again) in Kerbal Space Program
Tiny 3 Part Rocket - How Far Can It Go? - Kerbal Space Program 0.16
Tiny 3 Part Rocket - How Far Can It Go? - Kerbal Space Program 0.16
IXS Enterprise Mod - Kerbal Space Program
IXS Enterprise Mod - Kerbal Space Program
Fifteen Kerbals, One Plane
Fifteen Kerbals, One Plane
Kerbal Space Program - Your Physics Have No Power Over Me!
Kerbal Space Program - Your Physics Have No Power Over Me!
Secret Mission To Launch A Spy Satellite in Kerbal Space Program
Secret Mission To Launch A Spy Satellite in Kerbal Space Program
Kerbal Space Program - Rods From The Gods Mod - No Longer Flawed
Kerbal Space Program - Rods From The Gods Mod - No Longer Flawed
Universe Sandbox - Binary, Trinary, Quartenary Star Systems
Universe Sandbox - Binary, Trinary, Quartenary Star Systems
Kerbal Space Program - Interstellar Quest - Episode 46 - The Longest Handbrake Turn.....
Kerbal Space Program - Interstellar Quest - Episode 46 - The Longest Handbrake Turn.....
Finding Easter Eggs In Kerbal Space Program - Part II - Duna & The Mun
Finding Easter Eggs In Kerbal Space Program - Part II - Duna & The Mun
Kerbal Space Program - How To Make A Killer Asteroid
Kerbal Space Program - How To Make A Killer Asteroid
Kerbal Space Program - Kerbtown & Kerbin City
Kerbal Space Program - Kerbtown & Kerbin City
Kerbal Space Program - Mods Mods Mods
Kerbal Space Program - Mods Mods Mods
Kerbal Space Program - Exploiting The Quantum Anchor For Fun And Profit
Kerbal Space Program - Exploiting The Quantum Anchor For Fun And Profit
Kerbal Space Program - Rescaled Kerbin Mod
Kerbal Space Program - Rescaled Kerbin Mod
Low Budget Lander - Who Needs Capsules?
Low Budget Lander - Who Needs Capsules?
What Does It Take To Reach Lightspeed In Kerbal Space Program?
What Does It Take To Reach Lightspeed In Kerbal Space Program?
What does it Take To Deorbit A Moon In Kerbal Space Program
What does it Take To Deorbit A Moon In Kerbal Space Program
Full Journey To The Planet Eve And Back in Kerbal Space Program
Full Journey To The Planet Eve And Back in Kerbal Space Program
Kerbal Space Program - Guide To The 10 Most Essential Mods & Add Ons
Kerbal Space Program - Guide To The 10 Most Essential Mods & Add Ons
Kerbal Space Program - The 'Secret' Space Center
Kerbal Space Program - The 'Secret' Space Center
Kerbal Space Program - The New Bestest Mod Ever!
Kerbal Space Program - The New Bestest Mod Ever!
Kerbal Space Program - The B9 Aerospace Pack
Kerbal Space Program - The B9 Aerospace Pack
Guided AntiAir Missiles - Kerbal Space Program
Guided AntiAir Missiles - Kerbal Space Program
Munwalking Lander in Kerbal Space Program
Munwalking Lander in Kerbal Space Program
Kerbal Space Program - The Interstellar Quest - Episode 1
Kerbal Space Program - The Interstellar Quest - Episode 1
The Titan Mk4 - Kerbal Space Program (modded)
The Titan Mk4 - Kerbal Space Program (modded)
Compilation Of Crashes, Explosions and Mishaps in Kerbal Space Program
Compilation Of Crashes, Explosions and Mishaps in Kerbal Space Program
How To Find Easter Eggs In Kerbal Space Program Using Mapsat Mod
How To Find Easter Eggs In Kerbal Space Program Using Mapsat Mod
Scott Plays Gimbal
Scott Plays Gimbal
Rescuing a Capsule Around Minmus in Kerbal Space Program
Rescuing a Capsule Around Minmus in Kerbal Space Program
Kerbal Space Program - Advanced Rocket Design Tutorial
Kerbal Space Program - Advanced Rocket Design Tutorial
Random Silly Things To Do In Kerbal Space Program
Random Silly Things To Do In Kerbal Space Program
Kerbal Space Program - Savefile Editing & Orbital Parameters Tutorial (Fixed)
Kerbal Space Program - Savefile Editing & Orbital Parameters Tutorial (Fixed)
Kerbal Space Program - So, You Want Me To Build A Space Elevator?
Kerbal Space Program - So, You Want Me To Build A Space Elevator?
KSP - Kerbals at War
KSP - Kerbals at War
100 Tons Space Debris Will Fall Down to Earth 2015
100 Tons Space Debris Will Fall Down to Earth 2015
Playing around in Kerbal Space Program
Playing around in Kerbal Space Program
Kerbal Space Program - Mods Ep.6 - Romfarer Laser System
Kerbal Space Program - Mods Ep.6 - Romfarer Laser System
Eve Online Beginners Guide - The 10 Things To Know Before You Start Playing
Eve Online Beginners Guide - The 10 Things To Know Before You Start Playing
How To Build an Interplanetary Rocket In Kerbal Space Program Using Only 7 Parts
How To Build an Interplanetary Rocket In Kerbal Space Program Using Only 7 Parts
The Kerbal Space Program: Mod Review: The Lazor Weapons System!
The Kerbal Space Program: Mod Review: The Lazor Weapons System!
Kerbal Space Program: Planet Destroyer Debris Belt
Kerbal Space Program: Planet Destroyer Debris Belt
Building Goonstation I in Kerbal Space Program
Building Goonstation I in Kerbal Space Program
Kerbal Space Program Weaponry: Heavy Torpedoes
Kerbal Space Program Weaponry: Heavy Torpedoes
Kerbal Surf Program
Kerbal Surf Program
Scott & His Dad Play More Kerbal Space Program
Scott & His Dad Play More Kerbal Space Program
Kerbal Space Program:  Bringing Back the BigTrak
Kerbal Space Program: Bringing Back the BigTrak