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
Universe Sandbox - Binary, Trinary, Quartenary Star Systems
Universe Sandbox - Binary, Trinary, Quartenary Star Systems
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Exploiting The Oberth Effect (again) in Kerbal Space Program
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
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Kerbal Space Program - Kerbtown & Kerbin City
Scott Plays Gimbal
Scott Plays Gimbal
Kerbal Space Program - Rods From The Gods Mod - No Longer Flawed
Kerbal Space Program - Rods From The Gods Mod - No Longer Flawed
Kerbal Space Program - Rescaled Kerbin Mod
Kerbal Space Program - Rescaled Kerbin Mod
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Kerbal Space Program - So, You Want Me To Build A Space Elevator?
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Secret Mission To Launch A Spy Satellite in Kerbal Space Program
Finding Easter Eggs In Kerbal Space Program - Part II - Duna & The Mun
Finding Easter Eggs In Kerbal Space Program - Part II - Duna & The Mun
Fifteen Kerbals, One Plane
Fifteen Kerbals, One Plane
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Munwalking Lander in Kerbal Space Program
What Does It Take To Reach Lightspeed In Kerbal Space Program?
What Does It Take To Reach Lightspeed In Kerbal Space Program?
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Full Journey To The Planet Eve And Back in Kerbal Space Program
Kerbal Space Program - Interstellar Mod - Non OP Warp Drive
Kerbal Space Program - Interstellar Mod - Non OP Warp Drive
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Kerbal Space Program - New Planets - Planet Factory Mod
Guided AntiAir Missiles - Kerbal Space Program
Guided AntiAir Missiles - Kerbal Space Program
Kerbal Space Program - How To Make A Killer Asteroid
Kerbal Space Program - How To Make A Killer Asteroid
Scott & His Dad Play More Kerbal Space Program
Scott & His Dad Play More Kerbal Space Program
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Tiny 3 Part Rocket - How Far Can It Go? - Kerbal Space Program 0.16
Kerbal Space Program - The 'Secret' Space Center
Kerbal Space Program - The 'Secret' Space Center
iTiamo plays Kerbal Space Program - Episode 4: The Spacecraft Carrier
iTiamo plays Kerbal Space Program - Episode 4: The Spacecraft Carrier
Kerbal Space Program - The B9 Aerospace Pack
Kerbal Space Program - The B9 Aerospace Pack
Scott's First Attempt At Kerbal Space Program 0.17 - Part 1
Scott's First Attempt At Kerbal Space Program 0.17 - Part 1
Kerbal Space Program - Your Physics Have No Power Over Me!
Kerbal Space Program - Your Physics Have No Power Over Me!
Kerbal Space Program - Travelling To Other Planets - Tutorial For Beginners
Kerbal Space Program - Travelling To Other Planets - Tutorial For Beginners
Scott Flies a Spaceplane Designed By.... His Dad - Kerbal Space Program
Scott Flies a Spaceplane Designed By.... His Dad - Kerbal Space Program
Kerbal Space Program - Voyage to Eeloo, New Planet in KSP 0.18.2
Kerbal Space Program - Voyage to Eeloo, New Planet in KSP 0.18.2
The Smallest And Simplest Plane In Kerbal Space Program
The Smallest And Simplest Plane In Kerbal Space Program
Kerbal Space Program: +25 Things To Do With Your Kerbals
Kerbal Space Program: +25 Things To Do With Your Kerbals
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
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 New Bestest Mod Ever!
Kerbal Space Program - The New Bestest Mod Ever!
Star Citizen - Racing Mode Now Available in Arena Commander
Star Citizen - Racing Mode Now Available in Arena Commander
Using a Spaceplane as a Reusable Launch Vehicle in Kerbal Space Program 0.18
Using a Spaceplane as a Reusable Launch Vehicle in Kerbal Space Program 0.18
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
Nerd³ Challenges! SpacePlane™ - Kerbal Space Program
Nerd³ Challenges! SpacePlane™ - Kerbal Space Program
KSP - Kerbals at War
KSP - Kerbals at War
Kerbal Space Program - UFO
Kerbal Space Program - UFO
Kerbal Space Program: 25 things to do with your Kerbals
Kerbal Space Program: 25 things to do with your Kerbals
Mining Moons for Kethane In Kerbal Space Program
Mining Moons for Kethane In Kerbal Space Program
Kerbal Space Program - Landing on Duna - v 0.17
Kerbal Space Program - Landing on Duna - v 0.17
Kerbal Space Program - Advanced Rocket Design Tutorial
Kerbal Space Program - Advanced Rocket Design Tutorial
Kerbal Space Program - The Interstellar Quest - Episode 1
Kerbal Space Program - The Interstellar Quest - Episode 1
Rescuing a Capsule Around Minmus in Kerbal Space Program
Rescuing a Capsule Around Minmus in Kerbal Space Program
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
Viking Space Program - Attack Helicopter, Missles & Railguns!
Viking Space Program - Attack Helicopter, Missles & Railguns!